TSTP Solution File: SYN877-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SYN877-1 : TPTP v8.1.2. Released v2.5.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.5A0qvfozmC 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 04:05:57 EDT 2023

% Result   : Unsatisfiable 1.88s 1.05s
% Output   : Refutation 1.88s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SYN877-1 : TPTP v8.1.2. Released v2.5.0.
% 0.00/0.14  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.5A0qvfozmC true
% 0.14/0.35  % Computer : n025.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Sat Aug 26 18:07:38 EDT 2023
% 0.14/0.35  % CPUTime  : 
% 0.14/0.35  % Running portfolio for 300 s
% 0.14/0.35  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.14/0.35  % Number of cores: 8
% 0.14/0.36  % Python version: Python 3.6.8
% 0.14/0.36  % Running in FO mode
% 0.22/0.64  % Total configuration time : 435
% 0.22/0.64  % Estimated wc time : 1092
% 0.22/0.64  % Estimated cpu time (7 cpus) : 156.0
% 0.22/0.72  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.22/0.72  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.22/0.73  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.22/0.74  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.22/0.74  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.22/0.74  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.22/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 1.88/1.05  % Solved by fo/fo7.sh.
% 1.88/1.05  % done 131 iterations in 0.186s
% 1.88/1.05  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 1.88/1.05  % SZS output start Refutation
% 1.88/1.05  thf(ssNder1_3r1r1r1_type, type, ssNder1_3r1r1r1: $i > $i > $i > $o).
% 1.88/1.05  thf(ssPv5_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv5_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 1.88/1.05      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 1.88/1.05      $i > $i > $o).
% 1.88/1.05  thf(skc23_type, type, skc23: $i).
% 1.88/1.05  thf(ssPv20_1r1_type, type, ssPv20_1r1: $i > $o).
% 1.88/1.05  thf(ssNder1_1r1_type, type, ssNder1_1r1: $i > $o).
% 1.88/1.05  thf(skc16_type, type, skc16: $i).
% 1.88/1.05  thf(ssPv11_10r1r1r1r1r1r1r1r1r1r1_type, type, ssPv11_10r1r1r1r1r1r1r1r1r1r1: 
% 1.88/1.05      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 1.88/1.05  thf(ssNder1_5r1r1r1r1r1_type, type, ssNder1_5r1r1r1r1r1: $i > $i > $i > $i > 
% 1.88/1.05                                                           $i > $o).
% 1.88/1.05  thf(skc29_type, type, skc29: $i).
% 1.88/1.05  thf(ssNder1_8r1r1r1r1r1r1r1r1_type, type, ssNder1_8r1r1r1r1r1r1r1r1: 
% 1.88/1.05      $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 1.88/1.05  thf(ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 1.88/1.05      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 1.88/1.05  thf(skc19_type, type, skc19: $i).
% 1.88/1.05  thf(ssNder1_10r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_10r1r1r1r1r1r1r1r1r1r1: 
% 1.88/1.05      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 1.88/1.05  thf(skc30_type, type, skc30: $i).
% 1.88/1.05  thf(ssPv15_6r1r1r1r1r1r1_type, type, ssPv15_6r1r1r1r1r1r1: $i > $i > $i > 
% 1.88/1.05                                                             $i > $i > $i > $o).
% 1.88/1.05  thf(skc26_type, type, skc26: $i).
% 1.88/1.05  thf(ssNder1_6r1r1r1r1r1r1_type, type, ssNder1_6r1r1r1r1r1r1: $i > $i > $i > 
% 1.88/1.05                                                               $i > $i > $i > $o).
% 1.88/1.05  thf(skc24_type, type, skc24: $i).
% 1.88/1.05  thf(ssNder1_9r1r1r1r1r1r1r1r1r1_type, type, ssNder1_9r1r1r1r1r1r1r1r1r1: 
% 1.88/1.05      $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 1.88/1.05  thf(skc22_type, type, skc22: $i).
% 1.88/1.05  thf(skc28_type, type, skc28: $i).
% 1.88/1.05  thf(ssPv18_3r1r1r1_type, type, ssPv18_3r1r1r1: $i > $i > $i > $o).
% 1.88/1.05  thf(skc31_type, type, skc31: $i).
% 1.88/1.05  thf(ssNder1_7r1r1r1r1r1r1r1_type, type, ssNder1_7r1r1r1r1r1r1r1: $i > $i > 
% 1.88/1.05                                                                   $i > $i > 
% 1.88/1.05                                                                   $i > $i > $i > $o).
% 1.88/1.05  thf(ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 1.88/1.05      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 1.88/1.05  thf(ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 1.88/1.05      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 1.88/1.05  thf(ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 1.88/1.05      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 1.88/1.05      $i > $i > $o).
% 1.88/1.05  thf(ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1: 
% 1.88/1.05      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 1.88/1.05  thf(ssNder1_11r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_11r1r1r1r1r1r1r1r1r1r1r1: 
% 1.88/1.05      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 1.88/1.05  thf(ssPv4_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv4_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 1.88/1.05      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 1.88/1.05      $i > $i > $i > $o).
% 1.88/1.05  thf(ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 1.88/1.05      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 1.88/1.05  thf(ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 1.88/1.05      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 1.88/1.05  thf(ssPv13_8r1r1r1r1r1r1r1r1_type, type, ssPv13_8r1r1r1r1r1r1r1r1: $i > $i > 
% 1.88/1.05                                                                     $i > $i > 
% 1.88/1.05                                                                     $i > $i > 
% 1.88/1.05                                                                     $i > $i > $o).
% 1.88/1.05  thf(ssPv17_4r1r1r1r1_type, type, ssPv17_4r1r1r1r1: $i > $i > $i > $i > $o).
% 1.88/1.05  thf(ssNder1_0_type, type, ssNder1_0: $o).
% 1.88/1.05  thf(ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 1.88/1.05      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 1.88/1.05  thf(ssNder1_4r1r1r1r1_type, type, ssNder1_4r1r1r1r1: $i > $i > $i > $i > $o).
% 1.88/1.05  thf(skc27_type, type, skc27: $i).
% 1.88/1.05  thf(ssPv14_7r1r1r1r1r1r1r1_type, type, ssPv14_7r1r1r1r1r1r1r1: $i > $i > 
% 1.88/1.05                                                                 $i > $i > 
% 1.88/1.05                                                                 $i > $i > $i > $o).
% 1.88/1.05  thf(skc21_type, type, skc21: $i).
% 1.88/1.05  thf(ssPv16_5r1r1r1r1r1_type, type, ssPv16_5r1r1r1r1r1: $i > $i > $i > $i > $i > $o).
% 1.88/1.05  thf(ssPv12_9r1r1r1r1r1r1r1r1r1_type, type, ssPv12_9r1r1r1r1r1r1r1r1r1: 
% 1.88/1.05      $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 1.88/1.05  thf(skc20_type, type, skc20: $i).
% 1.88/1.05  thf(ssNder1_2r1r1_type, type, ssNder1_2r1r1: $i > $i > $o).
% 1.88/1.05  thf(clause6, conjecture,
% 1.88/1.05    (~( ( ssPv16_5r1r1r1r1r1 @ U @ V @ W @ X @ skc30 ) | ( ~( ssNder1_0 ) ) | 
% 1.88/1.05        ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.05        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) ))).
% 1.88/1.05  thf(zf_stmt_0, negated_conjecture,
% 1.88/1.05    (( ssPv16_5r1r1r1r1r1 @ U @ V @ W @ X @ skc30 ) | ( ~( ssNder1_0 ) ) | 
% 1.88/1.05     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.05     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) )),
% 1.88/1.05    inference('cnf.neg', [status(esa)], [clause6])).
% 1.88/1.05  thf(zip_derived_cl70, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.05         ( (ssPv16_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ skc30)
% 1.88/1.05          | ~ (ssNder1_0)
% 1.88/1.05          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.05          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.05          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2))),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_0])).
% 1.88/1.05  thf(clause1, conjecture, (~( ssNder1_0 ))).
% 1.88/1.05  thf(zf_stmt_1, negated_conjecture, (ssNder1_0),
% 1.88/1.05    inference('cnf.neg', [status(esa)], [clause1])).
% 1.88/1.05  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.05  thf(clause2, conjecture, (~( ( ssNder1_1r1 @ U ) | ( ~( ssNder1_0 ) ) ))).
% 1.88/1.05  thf(zf_stmt_2, negated_conjecture,
% 1.88/1.05    (( ssNder1_1r1 @ U ) | ( ~( ssNder1_0 ) )),
% 1.88/1.05    inference('cnf.neg', [status(esa)], [clause2])).
% 1.88/1.05  thf(zip_derived_cl74, plain,
% 1.88/1.05      (![X0 : $i]: ( (ssNder1_1r1 @ X0) | ~ (ssNder1_0))),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_2])).
% 1.88/1.05  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.05  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.05      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.05  thf(clause3, conjecture,
% 1.88/1.05    (~( ( ssNder1_2r1r1 @ U @ V ) | ( ~( ssNder1_0 ) ) | 
% 1.88/1.05        ( ~( ssNder1_1r1 @ U ) ) ))).
% 1.88/1.05  thf(zf_stmt_3, negated_conjecture,
% 1.88/1.05    (( ssNder1_2r1r1 @ U @ V ) | ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) )),
% 1.88/1.05    inference('cnf.neg', [status(esa)], [clause3])).
% 1.88/1.05  thf(zip_derived_cl73, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i]:
% 1.88/1.05         ( (ssNder1_2r1r1 @ X0 @ X1) | ~ (ssNder1_0) | ~ (ssNder1_1r1 @ X0))),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_3])).
% 1.88/1.05  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.05  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.05      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.05  thf(zip_derived_cl82, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.05  thf(clause4, conjecture,
% 1.88/1.05    (~( ( ssNder1_3r1r1r1 @ U @ V @ W ) | ( ~( ssNder1_0 ) ) | 
% 1.88/1.05        ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) ))).
% 1.88/1.05  thf(zf_stmt_4, negated_conjecture,
% 1.88/1.05    (( ssNder1_3r1r1r1 @ U @ V @ W ) | ( ~( ssNder1_0 ) ) | 
% 1.88/1.05     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) )),
% 1.88/1.05    inference('cnf.neg', [status(esa)], [clause4])).
% 1.88/1.05  thf(zip_derived_cl72, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.88/1.05         ( (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.05          | ~ (ssNder1_0)
% 1.88/1.05          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.05          | ~ (ssNder1_2r1r1 @ X0 @ X1))),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_4])).
% 1.88/1.05  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.05  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.05      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.05  thf(zip_derived_cl82, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.05  thf(zip_derived_cl83, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82])).
% 1.88/1.05  thf(zip_derived_cl85, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.05          (ssPv16_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ skc30)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl70, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.05  thf(clause28, conjecture,
% 1.88/1.05    (~( ( ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ skc20 ) | 
% 1.88/1.05        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.05        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.05        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.05        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.05        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.05        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.05        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.05        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.05        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) ))).
% 1.88/1.05  thf(zf_stmt_5, negated_conjecture,
% 1.88/1.05    (( ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ skc20 ) | 
% 1.88/1.05     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.05     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.05     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.05     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.05     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.05     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.05     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.05     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) )),
% 1.88/1.05    inference('cnf.neg', [status(esa)], [clause28])).
% 1.88/1.05  thf(zip_derived_cl48, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.05         ( (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.05            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc20)
% 1.88/1.05          | ~ (ssNder1_0)
% 1.88/1.05          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.05          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.05          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.05          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.05          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.05          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.05          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.05          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.05               X7)
% 1.88/1.05          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.05               X6 @ X7 @ X8)
% 1.88/1.05          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.05               X6 @ X7 @ X8 @ X9)
% 1.88/1.05          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.05               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.05          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.05               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11))),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_5])).
% 1.88/1.05  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.05  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.05      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.05  thf(zip_derived_cl82, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.05  thf(zip_derived_cl83, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82])).
% 1.88/1.05  thf(clause5, conjecture,
% 1.88/1.05    (~( ( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) | ( ~( ssNder1_0 ) ) | 
% 1.88/1.05        ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.05        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) ))).
% 1.88/1.05  thf(zf_stmt_6, negated_conjecture,
% 1.88/1.05    (( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) | ( ~( ssNder1_0 ) ) | 
% 1.88/1.05     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.05     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) )),
% 1.88/1.05    inference('cnf.neg', [status(esa)], [clause5])).
% 1.88/1.05  thf(zip_derived_cl71, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.05         ( (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.05          | ~ (ssNder1_0)
% 1.88/1.05          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.05          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.05          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2))),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_6])).
% 1.88/1.05  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.05  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.05      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.05  thf(zip_derived_cl82, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.05  thf(zip_derived_cl83, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82])).
% 1.88/1.05  thf(zip_derived_cl84, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.05          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.05  thf(clause8, conjecture,
% 1.88/1.05    (~( ( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) | ( ~( ssNder1_0 ) ) | 
% 1.88/1.05        ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.05        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) ))).
% 1.88/1.05  thf(zf_stmt_7, negated_conjecture,
% 1.88/1.05    (( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) | ( ~( ssNder1_0 ) ) | 
% 1.88/1.05     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.05     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) )),
% 1.88/1.05    inference('cnf.neg', [status(esa)], [clause8])).
% 1.88/1.05  thf(zip_derived_cl68, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.05         ( (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.05          | ~ (ssNder1_0)
% 1.88/1.05          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.05          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.05          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.05          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3))),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_7])).
% 1.88/1.05  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.05  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.05      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.05  thf(zip_derived_cl82, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.05  thf(zip_derived_cl83, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82])).
% 1.88/1.05  thf(zip_derived_cl84, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.05          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.05  thf(zip_derived_cl86, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.05          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.05  thf(clause11, conjecture,
% 1.88/1.05    (~( ( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) | 
% 1.88/1.05        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.05        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) ))).
% 1.88/1.05  thf(zf_stmt_8, negated_conjecture,
% 1.88/1.05    (( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) | ( ~( ssNder1_0 ) ) | 
% 1.88/1.05     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.05     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) )),
% 1.88/1.05    inference('cnf.neg', [status(esa)], [clause11])).
% 1.88/1.05  thf(zip_derived_cl65, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.05         ( (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.05          | ~ (ssNder1_0)
% 1.88/1.05          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.05          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.05          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.05          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.05          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4))),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_8])).
% 1.88/1.05  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.05  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.05      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.05  thf(zip_derived_cl82, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.05  thf(zip_derived_cl83, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82])).
% 1.88/1.05  thf(zip_derived_cl84, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.05          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.05  thf(zip_derived_cl86, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.05          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.05  thf(zip_derived_cl88, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.05          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86])).
% 1.88/1.05  thf(clause14, conjecture,
% 1.88/1.05    (~( ( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) | 
% 1.88/1.05        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.05        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.05        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) ))).
% 1.88/1.05  thf(zf_stmt_9, negated_conjecture,
% 1.88/1.05    (( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) | 
% 1.88/1.05     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.05     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) )),
% 1.88/1.05    inference('cnf.neg', [status(esa)], [clause14])).
% 1.88/1.05  thf(zip_derived_cl62, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.05         ( (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.05          | ~ (ssNder1_0)
% 1.88/1.05          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.05          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.05          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.05          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.05          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.05          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5))),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_9])).
% 1.88/1.05  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.05  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.05      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.05  thf(zip_derived_cl82, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.05  thf(zip_derived_cl83, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82])).
% 1.88/1.05  thf(zip_derived_cl84, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.05          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.05  thf(zip_derived_cl86, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.05          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.05  thf(zip_derived_cl88, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.05          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86])).
% 1.88/1.05  thf(zip_derived_cl95, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.05          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.05  thf(clause17, conjecture,
% 1.88/1.05    (~( ( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) | 
% 1.88/1.05        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.05        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.05        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.05        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) ))).
% 1.88/1.05  thf(zf_stmt_10, negated_conjecture,
% 1.88/1.05    (( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) | 
% 1.88/1.05     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.05     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.05     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) )),
% 1.88/1.05    inference('cnf.neg', [status(esa)], [clause17])).
% 1.88/1.05  thf(zip_derived_cl59, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.05         ( (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)
% 1.88/1.05          | ~ (ssNder1_0)
% 1.88/1.05          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.05          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.05          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.05          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.05          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.05          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.05          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6))),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_10])).
% 1.88/1.05  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.05  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.05      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.05  thf(zip_derived_cl82, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.05  thf(zip_derived_cl83, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82])).
% 1.88/1.05  thf(zip_derived_cl84, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.05          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.05  thf(zip_derived_cl86, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.05          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.05  thf(zip_derived_cl88, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.05          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86])).
% 1.88/1.05  thf(zip_derived_cl95, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.05          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.05  thf(zip_derived_cl96, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.05          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.05  thf(clause19, conjecture,
% 1.88/1.05    (~( ( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) | 
% 1.88/1.05        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.05        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.05        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.05        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.05        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) ))).
% 1.88/1.05  thf(zf_stmt_11, negated_conjecture,
% 1.88/1.05    (( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) | 
% 1.88/1.05     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.05     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.05     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.05     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) )),
% 1.88/1.05    inference('cnf.neg', [status(esa)], [clause19])).
% 1.88/1.05  thf(zip_derived_cl57, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i]:
% 1.88/1.05         ( (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.05            X7 @ X8)
% 1.88/1.05          | ~ (ssNder1_0)
% 1.88/1.05          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.05          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.05          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.05          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.05          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.05          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.05          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.05          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.05               X7))),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_11])).
% 1.88/1.05  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.05  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.05      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.05  thf(zip_derived_cl82, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.05  thf(zip_derived_cl83, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82])).
% 1.88/1.05  thf(zip_derived_cl84, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.05          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.05  thf(zip_derived_cl86, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.05          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.05  thf(zip_derived_cl88, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.05          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86])).
% 1.88/1.05  thf(zip_derived_cl95, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.05          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.05  thf(zip_derived_cl96, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.05          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.05  thf(zip_derived_cl104, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i]:
% 1.88/1.05          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.05           X7 @ X8)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.05                 zip_derived_cl96])).
% 1.88/1.05  thf(clause20, conjecture,
% 1.88/1.05    (~( ( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) | 
% 1.88/1.05        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.05        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.05        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.05        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.05        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.05        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) ))).
% 1.88/1.05  thf(zf_stmt_12, negated_conjecture,
% 1.88/1.05    (( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) | 
% 1.88/1.05     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.05     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.05     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.05     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.05     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) )),
% 1.88/1.05    inference('cnf.neg', [status(esa)], [clause20])).
% 1.88/1.05  thf(zip_derived_cl56, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.05         ( (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.05            X6 @ X7 @ X8 @ X9)
% 1.88/1.05          | ~ (ssNder1_0)
% 1.88/1.05          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.05          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.05          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.05          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.05          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.05          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.05          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.05          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.05               X7)
% 1.88/1.05          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.05               X6 @ X7 @ X8))),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_12])).
% 1.88/1.05  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.05  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.05      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.05  thf(zip_derived_cl82, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.05  thf(zip_derived_cl83, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82])).
% 1.88/1.05  thf(zip_derived_cl84, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.05          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.05  thf(zip_derived_cl86, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.05          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.05  thf(zip_derived_cl88, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.05          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86])).
% 1.88/1.05  thf(zip_derived_cl95, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.05          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.05  thf(zip_derived_cl96, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.05          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.05  thf(zip_derived_cl104, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i]:
% 1.88/1.05          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.05           X7 @ X8)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.05                 zip_derived_cl96])).
% 1.88/1.05  thf(zip_derived_cl110, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.05          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.05           X7 @ X8 @ X9)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.05                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.05  thf(clause21, conjecture,
% 1.88/1.05    (~( ( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) | 
% 1.88/1.05        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.05        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.05        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.05        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.05        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.05        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.05        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) ))).
% 1.88/1.05  thf(zf_stmt_13, negated_conjecture,
% 1.88/1.05    (( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) | 
% 1.88/1.05     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.05     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.05     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.05     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.05     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.05     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) )),
% 1.88/1.05    inference('cnf.neg', [status(esa)], [clause21])).
% 1.88/1.05  thf(zip_derived_cl55, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.05         ( (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.05            X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.05          | ~ (ssNder1_0)
% 1.88/1.05          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.05          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.05          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.05          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.05          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.05          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.05          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.05          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.05               X7)
% 1.88/1.05          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.05               X6 @ X7 @ X8)
% 1.88/1.05          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.05               X6 @ X7 @ X8 @ X9))),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_13])).
% 1.88/1.05  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.05  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.05      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.05  thf(zip_derived_cl82, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.05  thf(zip_derived_cl83, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82])).
% 1.88/1.05  thf(zip_derived_cl84, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.05          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.05  thf(zip_derived_cl86, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.05          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.05  thf(zip_derived_cl88, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.05          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86])).
% 1.88/1.05  thf(zip_derived_cl95, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.05          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.05  thf(zip_derived_cl96, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.05          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.05  thf(zip_derived_cl104, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i]:
% 1.88/1.05          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.05           X7 @ X8)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.05                 zip_derived_cl96])).
% 1.88/1.05  thf(zip_derived_cl110, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.05          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.05           X7 @ X8 @ X9)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.05                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.05  thf(zip_derived_cl111, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.05          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.05           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.05                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.05  thf(clause22, conjecture,
% 1.88/1.05    (~( ( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) | 
% 1.88/1.05        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.05        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.05        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.05        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.05        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.05        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.05        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.05        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) ))).
% 1.88/1.05  thf(zf_stmt_14, negated_conjecture,
% 1.88/1.05    (( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) | 
% 1.88/1.05     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.05     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.05     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.05     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.05     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.05     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.05     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) )),
% 1.88/1.05    inference('cnf.neg', [status(esa)], [clause22])).
% 1.88/1.05  thf(zip_derived_cl54, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.05         ( (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.05            X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.05          | ~ (ssNder1_0)
% 1.88/1.05          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.05          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.05          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.05          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.05          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.05          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.05          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.05          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.05               X7)
% 1.88/1.05          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.05               X6 @ X7 @ X8)
% 1.88/1.05          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.05               X6 @ X7 @ X8 @ X9)
% 1.88/1.05          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.05               X5 @ X6 @ X7 @ X8 @ X9 @ X10))),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_14])).
% 1.88/1.05  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.05      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.05  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.05      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.05  thf(zip_derived_cl82, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.05  thf(zip_derived_cl83, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82])).
% 1.88/1.05  thf(zip_derived_cl84, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.05          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.05  thf(zip_derived_cl86, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.05          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.05  thf(zip_derived_cl88, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.05          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86])).
% 1.88/1.05  thf(zip_derived_cl95, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.05          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.05  thf(zip_derived_cl96, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.05          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.05  thf(zip_derived_cl104, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i]:
% 1.88/1.05          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.05           X7 @ X8)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.05                 zip_derived_cl96])).
% 1.88/1.05  thf(zip_derived_cl110, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.05          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.05           X7 @ X8 @ X9)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.05                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.05  thf(zip_derived_cl111, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.05          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.05           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.05                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.05  thf(zip_derived_cl112, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.05          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.05           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl54, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.05                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.05                 zip_derived_cl111])).
% 1.88/1.05  thf(zip_derived_cl115, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.05          (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.05           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc20)),
% 1.88/1.05      inference('demod', [status(thm)],
% 1.88/1.05                [zip_derived_cl48, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.05                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.05                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.05                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.05                 zip_derived_cl111, zip_derived_cl112])).
% 1.88/1.05  thf(clause57, conjecture,
% 1.88/1.05    (~( ( ssPv20_1r1 @ U ) | 
% 1.88/1.05        ( ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) | 
% 1.88/1.05        ( ssPv4_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 1.88/1.05          X10 @ X11 ) | 
% 1.88/1.05        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.05        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.05        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.05        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.05        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.05        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.05        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.05        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.05        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.05        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.05        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 1.88/1.05        ( ~( ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 1.88/1.05        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 1.88/1.05        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 1.88/1.05             X9 @ X10 ) ) ))).
% 1.88/1.05  thf(zf_stmt_15, negated_conjecture,
% 1.88/1.05    (( ssPv20_1r1 @ U ) | 
% 1.88/1.05     ( ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) | 
% 1.88/1.05     ( ssPv4_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 1.88/1.05       X10 @ X11 ) | 
% 1.88/1.05     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.05     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.05     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.05     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.05     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.05     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.05     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.05     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.05     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.05     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.05     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.05     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.05     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 1.88/1.05     ( ~( ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 1.88/1.05     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 1.88/1.05     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.05          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 1.88/1.05          X10 ) )),
% 1.88/1.05    inference('cnf.neg', [status(esa)], [clause57])).
% 1.88/1.05  thf(zip_derived_cl19, plain,
% 1.88/1.05      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.05         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.05         X14 : $i, X15 : $i, X16 : $i]:
% 1.88/1.05         ( (ssPv20_1r1 @ X0)
% 1.88/1.05          |  (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06              X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 1.88/1.06          |  (ssPv4_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06              X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 1.88/1.06              X15 @ X16)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 1.88/1.06          | ~ (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 1.88/1.06          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 1.88/1.06          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 1.88/1.06               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 1.88/1.06               X14 @ X15))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_15])).
% 1.88/1.06  thf(clause43, conjecture,
% 1.88/1.06    (~( ( ssPv17_4r1r1r1r1 @ U @ V @ W @ X ) | 
% 1.88/1.06        ( ssPv12_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) | 
% 1.88/1.06        ( ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) | 
% 1.88/1.06        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) ))).
% 1.88/1.06  thf(zf_stmt_16, negated_conjecture,
% 1.88/1.06    (( ssPv17_4r1r1r1r1 @ U @ V @ W @ X ) | 
% 1.88/1.06     ( ssPv12_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) | 
% 1.88/1.06     ( ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) | 
% 1.88/1.06     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause43])).
% 1.88/1.06  thf(zip_derived_cl33, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i]:
% 1.88/1.06         ( (ssPv17_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          |  (ssPv12_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06              X7 @ X8)
% 1.88/1.06          |  (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06              X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_16])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl112, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl54, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111])).
% 1.88/1.06  thf(clause27, conjecture,
% 1.88/1.06    (~( ( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) | 
% 1.88/1.06        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) ))).
% 1.88/1.06  thf(zf_stmt_17, negated_conjecture,
% 1.88/1.06    (( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) | 
% 1.88/1.06     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause27])).
% 1.88/1.06  thf(zip_derived_cl49, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06         ( (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_17])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl112, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl54, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111])).
% 1.88/1.06  thf(zip_derived_cl114, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl49, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112])).
% 1.88/1.06  thf(clause31, conjecture,
% 1.88/1.06    (~( ( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 1.88/1.06        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) ))).
% 1.88/1.06  thf(zf_stmt_18, negated_conjecture,
% 1.88/1.06    (( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 1.88/1.06     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause31])).
% 1.88/1.06  thf(zip_derived_cl45, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06         ( (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_18])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl112, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl54, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111])).
% 1.88/1.06  thf(zip_derived_cl114, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl49, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112])).
% 1.88/1.06  thf(zip_derived_cl125, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl45, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114])).
% 1.88/1.06  thf(zip_derived_cl168, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i]:
% 1.88/1.06         ( (ssPv17_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          |  (ssPv12_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06              X7 @ X8)
% 1.88/1.06          |  (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06              X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 1.88/1.06          | ~ (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5))),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl33, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114, 
% 1.88/1.06                 zip_derived_cl125])).
% 1.88/1.06  thf(clause33, conjecture,
% 1.88/1.06    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06        ( ~( ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 1.88/1.06             skc19 ) ) ))).
% 1.88/1.06  thf(zf_stmt_19, negated_conjecture,
% 1.88/1.06    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06     ( ~( ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ skc19 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause33])).
% 1.88/1.06  thf(zip_derived_cl43, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06         (~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ skc19))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_19])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl101, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06         (~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06             X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ skc19))),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl43, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl107, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06         (~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06             X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ skc19))),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl101, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl112, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl54, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111])).
% 1.88/1.06  thf(zip_derived_cl114, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl49, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112])).
% 1.88/1.06  thf(zip_derived_cl120, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06         ~ (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ skc19)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl107, zip_derived_cl110, zip_derived_cl111, 
% 1.88/1.06                 zip_derived_cl112, zip_derived_cl114])).
% 1.88/1.06  thf(zip_derived_cl169, plain,
% 1.88/1.06      (![X5 : $i, X6 : $i, X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, 
% 1.88/1.06         X12 : $i, X13 : $i]:
% 1.88/1.06         (~ (ssPv15_6r1r1r1r1r1r1 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8)
% 1.88/1.06          |  (ssPv12_9r1r1r1r1r1r1r1r1r1 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ 
% 1.88/1.06              X7 @ X6 @ X5)
% 1.88/1.06          |  (ssPv17_4r1r1r1r1 @ X13 @ X12 @ X11 @ X10))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl168, zip_derived_cl120])).
% 1.88/1.06  thf(clause9, conjecture,
% 1.88/1.06    (~( ( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ skc28 ) | 
% 1.88/1.06        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) ))).
% 1.88/1.06  thf(zf_stmt_20, negated_conjecture,
% 1.88/1.06    (( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ skc28 ) | 
% 1.88/1.06     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause9])).
% 1.88/1.06  thf(zip_derived_cl67, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06         ( (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ skc28)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_20])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl87, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ skc28)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl67, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(clause42, conjecture,
% 1.88/1.06    (~( ( ssPv11_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) | 
% 1.88/1.06        ( ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) | 
% 1.88/1.06        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssPv20_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) ))).
% 1.88/1.06  thf(zf_stmt_21, negated_conjecture,
% 1.88/1.06    (( ssPv11_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) | 
% 1.88/1.06     ( ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) | 
% 1.88/1.06     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssPv20_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause42])).
% 1.88/1.06  thf(zip_derived_cl34, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i]:
% 1.88/1.06         ( (ssPv11_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06            X7 @ X8 @ X9)
% 1.88/1.06          |  (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06              X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssPv20_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_21])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl112, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl54, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111])).
% 1.88/1.06  thf(zip_derived_cl114, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl49, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112])).
% 1.88/1.06  thf(zip_derived_cl125, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl45, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114])).
% 1.88/1.06  thf(zip_derived_cl159, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i]:
% 1.88/1.06         ( (ssPv11_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06            X7 @ X8 @ X9)
% 1.88/1.06          |  (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06              X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 1.88/1.06          | ~ (ssPv20_1r1 @ X0)
% 1.88/1.06          | ~ (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5))),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl34, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114, 
% 1.88/1.06                 zip_derived_cl125])).
% 1.88/1.06  thf(zip_derived_cl160, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06         (~ (ssPv20_1r1 @ X4)
% 1.88/1.06          |  (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X4 @ X3 @ X2 @ X1 @ 
% 1.88/1.06              X0 @ skc28 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5)
% 1.88/1.06          |  (ssPv11_10r1r1r1r1r1r1r1r1r1r1 @ X4 @ X3 @ X2 @ X1 @ X0 @ skc28 @ 
% 1.88/1.06              X13 @ X12 @ X11 @ X10))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl87, zip_derived_cl159])).
% 1.88/1.06  thf(zip_derived_cl120, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06         ~ (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ skc19)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl107, zip_derived_cl110, zip_derived_cl111, 
% 1.88/1.06                 zip_derived_cl112, zip_derived_cl114])).
% 1.88/1.06  thf(zip_derived_cl161, plain,
% 1.88/1.06      (![X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i, X9 : $i, X10 : $i, 
% 1.88/1.06         X11 : $i, X12 : $i]:
% 1.88/1.06         ( (ssPv11_10r1r1r1r1r1r1r1r1r1r1 @ X12 @ X11 @ X10 @ X9 @ X8 @ 
% 1.88/1.06            skc28 @ X7 @ X6 @ X5 @ X4)
% 1.88/1.06          | ~ (ssPv20_1r1 @ X12))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl160, zip_derived_cl120])).
% 1.88/1.06  thf(clause39, conjecture,
% 1.88/1.06    (~( ( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) | 
% 1.88/1.06        ( ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 1.88/1.06        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssPv12_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssPv11_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) ))).
% 1.88/1.06  thf(zf_stmt_22, negated_conjecture,
% 1.88/1.06    (( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) | 
% 1.88/1.06     ( ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 1.88/1.06     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssPv12_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssPv11_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause39])).
% 1.88/1.06  thf(zip_derived_cl37, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06         ( (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          |  (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06              X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssPv12_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssPv11_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_22])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl112, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl54, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111])).
% 1.88/1.06  thf(zip_derived_cl114, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl49, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112])).
% 1.88/1.06  thf(zip_derived_cl149, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06         ( (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          |  (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06              X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 1.88/1.06          | ~ (ssPv12_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7 @ X8)
% 1.88/1.06          | ~ (ssPv11_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9))),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl37, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114])).
% 1.88/1.06  thf(zip_derived_cl163, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06         (~ (ssPv20_1r1 @ X8)
% 1.88/1.06          | ~ (ssPv12_9r1r1r1r1r1r1r1r1r1 @ X8 @ X7 @ X6 @ X5 @ X4 @ skc28 @ 
% 1.88/1.06               X3 @ X2 @ X1)
% 1.88/1.06          |  (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X8 @ X7 @ X6 @ X5 @ X4 @ 
% 1.88/1.06              skc28 @ X3 @ X2 @ X1 @ X0 @ X12 @ X11 @ X10 @ X9)
% 1.88/1.06          |  (ssPv14_7r1r1r1r1r1r1r1 @ X8 @ X7 @ X6 @ X5 @ X4 @ skc28 @ X3))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl161, zip_derived_cl149])).
% 1.88/1.06  thf(zip_derived_cl170, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06         ( (ssPv17_4r1r1r1r1 @ X7 @ X6 @ X5 @ X4)
% 1.88/1.06          | ~ (ssPv15_6r1r1r1r1r1r1 @ X7 @ X6 @ X5 @ X4 @ X3 @ skc28)
% 1.88/1.06          |  (ssPv14_7r1r1r1r1r1r1r1 @ X7 @ X6 @ X5 @ X4 @ X3 @ skc28 @ X2)
% 1.88/1.06          |  (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X7 @ X6 @ X5 @ X4 @ X3 @ 
% 1.88/1.06              skc28 @ X2 @ X1 @ X0 @ X12 @ X11 @ X10 @ X9 @ X8)
% 1.88/1.06          | ~ (ssPv20_1r1 @ X7))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl169, zip_derived_cl163])).
% 1.88/1.06  thf(zip_derived_cl87, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ skc28)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl67, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl171, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06         ( (ssPv17_4r1r1r1r1 @ X7 @ X6 @ X5 @ X4)
% 1.88/1.06          |  (ssPv14_7r1r1r1r1r1r1r1 @ X7 @ X6 @ X5 @ X4 @ X3 @ skc28 @ X2)
% 1.88/1.06          |  (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X7 @ X6 @ X5 @ X4 @ X3 @ 
% 1.88/1.06              skc28 @ X2 @ X1 @ X0 @ X12 @ X11 @ X10 @ X9 @ X8)
% 1.88/1.06          | ~ (ssPv20_1r1 @ X7))),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl170, zip_derived_cl87])).
% 1.88/1.06  thf(clause29, conjecture,
% 1.88/1.06    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06        ( ~( ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ skc21 ) ) ))).
% 1.88/1.06  thf(zf_stmt_23, negated_conjecture,
% 1.88/1.06    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06     ( ~( ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ skc21 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause29])).
% 1.88/1.06  thf(zip_derived_cl47, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06         (~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc21))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_23])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl100, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06         (~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06             X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc21))),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl47, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl106, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06         (~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06             X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc21))),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl100, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl112, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl54, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111])).
% 1.88/1.06  thf(zip_derived_cl119, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06         ~ (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc21)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl106, zip_derived_cl110, zip_derived_cl111, 
% 1.88/1.06                 zip_derived_cl112])).
% 1.88/1.06  thf(zip_derived_cl172, plain,
% 1.88/1.06      (![X6 : $i, X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06         (~ (ssPv20_1r1 @ X11)
% 1.88/1.06          |  (ssPv14_7r1r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ skc28 @ X6)
% 1.88/1.06          |  (ssPv17_4r1r1r1r1 @ X11 @ X10 @ X9 @ X8))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl171, zip_derived_cl119])).
% 1.88/1.06  thf(clause13, conjecture,
% 1.88/1.06    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ skc27 ) ) ))).
% 1.88/1.06  thf(zf_stmt_24, negated_conjecture,
% 1.88/1.06    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ skc27 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause13])).
% 1.88/1.06  thf(zip_derived_cl63, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06         (~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ skc27))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_24])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl78, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06         (~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ skc27))),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl63, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl91, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06         ~ (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ skc27)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl78, zip_derived_cl81, zip_derived_cl82, 
% 1.88/1.06                 zip_derived_cl83, zip_derived_cl84, zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl173, plain,
% 1.88/1.06      (![X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06         ( (ssPv17_4r1r1r1r1 @ X4 @ X3 @ X2 @ X1) | ~ (ssPv20_1r1 @ X4))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl172, zip_derived_cl91])).
% 1.88/1.06  thf(clause12, conjecture,
% 1.88/1.06    (~( ( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ skc26 ) | 
% 1.88/1.06        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) ))).
% 1.88/1.06  thf(zf_stmt_25, negated_conjecture,
% 1.88/1.06    (( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ skc26 ) | 
% 1.88/1.06     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause12])).
% 1.88/1.06  thf(zip_derived_cl64, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06         ( (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ skc26)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_25])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl92, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ skc26)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl64, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(clause18, conjecture,
% 1.88/1.06    (~( ( ssPv16_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) | ( ~( ssNder1_0 ) ) | 
% 1.88/1.06        ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssPv18_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssPv17_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) ))).
% 1.88/1.06  thf(zf_stmt_26, negated_conjecture,
% 1.88/1.06    (( ssPv16_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) | ( ~( ssNder1_0 ) ) | 
% 1.88/1.06     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssPv18_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssPv17_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause18])).
% 1.88/1.06  thf(zip_derived_cl58, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06         ( (ssPv16_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssPv18_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssPv17_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_26])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl97, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06         ( (ssPv16_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssPv18_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssPv17_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6))),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl58, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl98, plain,
% 1.88/1.06      (![X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06         (~ (ssPv17_4r1r1r1r1 @ X5 @ X4 @ X3 @ X2)
% 1.88/1.06          | ~ (ssPv18_3r1r1r1 @ X5 @ X4 @ X3)
% 1.88/1.06          |  (ssPv16_5r1r1r1r1r1 @ X5 @ X4 @ X3 @ X2 @ X1))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl92, zip_derived_cl97])).
% 1.88/1.06  thf(zip_derived_cl175, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06         (~ (ssPv20_1r1 @ X3)
% 1.88/1.06          |  (ssPv16_5r1r1r1r1r1 @ X3 @ X2 @ X1 @ X0 @ X4)
% 1.88/1.06          | ~ (ssPv18_3r1r1r1 @ X3 @ X2 @ X1))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl173, zip_derived_cl98])).
% 1.88/1.06  thf(clause15, conjecture,
% 1.88/1.06    (~( ( ssPv13_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ skc24 ) | 
% 1.88/1.06        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) ))).
% 1.88/1.06  thf(zf_stmt_27, negated_conjecture,
% 1.88/1.06    (( ssPv13_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ skc24 ) | 
% 1.88/1.06     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause15])).
% 1.88/1.06  thf(zip_derived_cl61, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06         ( (ssPv13_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ skc24)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_27])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl94, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssPv13_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ skc24)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl61, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(clause40, conjecture,
% 1.88/1.06    (~( ( ssPv18_3r1r1r1 @ U @ V @ W ) | 
% 1.88/1.06        ( ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) | 
% 1.88/1.06        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssPv20_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssPv13_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) ))).
% 1.88/1.06  thf(zf_stmt_28, negated_conjecture,
% 1.88/1.06    (( ssPv18_3r1r1r1 @ U @ V @ W ) | 
% 1.88/1.06     ( ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) | 
% 1.88/1.06     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssPv20_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssPv13_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause40])).
% 1.88/1.06  thf(zip_derived_cl36, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i]:
% 1.88/1.06         ( (ssPv18_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          |  (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06              X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssPv20_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssPv13_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_28])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl112, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl54, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111])).
% 1.88/1.06  thf(zip_derived_cl114, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl49, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112])).
% 1.88/1.06  thf(zip_derived_cl125, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl45, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114])).
% 1.88/1.06  thf(zip_derived_cl146, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i]:
% 1.88/1.06         ( (ssPv18_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          |  (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06              X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 1.88/1.06          | ~ (ssPv20_1r1 @ X0)
% 1.88/1.06          | ~ (ssPv13_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7))),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl36, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114, 
% 1.88/1.06                 zip_derived_cl125])).
% 1.88/1.06  thf(zip_derived_cl147, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06         (~ (ssPv20_1r1 @ X6)
% 1.88/1.06          |  (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X6 @ X5 @ X4 @ X3 @ 
% 1.88/1.06              X2 @ X1 @ X0 @ skc24 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7)
% 1.88/1.06          |  (ssPv18_3r1r1r1 @ X6 @ X5 @ X4))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl94, zip_derived_cl146])).
% 1.88/1.06  thf(zip_derived_cl120, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06         ~ (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ skc19)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl107, zip_derived_cl110, zip_derived_cl111, 
% 1.88/1.06                 zip_derived_cl112, zip_derived_cl114])).
% 1.88/1.06  thf(zip_derived_cl148, plain,
% 1.88/1.06      (![X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06         ( (ssPv18_3r1r1r1 @ X12 @ X11 @ X10) | ~ (ssPv20_1r1 @ X12))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl147, zip_derived_cl120])).
% 1.88/1.06  thf(zip_derived_cl176, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06         ( (ssPv16_5r1r1r1r1r1 @ X3 @ X2 @ X1 @ X0 @ X4) | ~ (ssPv20_1r1 @ X3))),
% 1.88/1.06      inference('clc', [status(thm)], [zip_derived_cl175, zip_derived_cl148])).
% 1.88/1.06  thf(clause7, conjecture,
% 1.88/1.06    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssPv16_5r1r1r1r1r1 @ U @ V @ W @ X @ skc31 ) ) ))).
% 1.88/1.06  thf(zf_stmt_29, negated_conjecture,
% 1.88/1.06    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssPv16_5r1r1r1r1r1 @ U @ V @ W @ X @ skc31 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause7])).
% 1.88/1.06  thf(zip_derived_cl69, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06         (~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssPv16_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ skc31))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_29])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl80, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06         (~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssPv16_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ skc31))),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl69, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl89, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06         ~ (ssPv16_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ skc31)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl80, zip_derived_cl81, zip_derived_cl82, 
% 1.88/1.06                 zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl177, plain, (![X3 : $i]: ~ (ssPv20_1r1 @ X3)),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl176, zip_derived_cl89])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl112, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl54, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111])).
% 1.88/1.06  thf(zip_derived_cl114, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl49, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112])).
% 1.88/1.06  thf(zip_derived_cl125, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl45, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114])).
% 1.88/1.06  thf(clause35, conjecture,
% 1.88/1.06    (~( ( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) | 
% 1.88/1.06        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) ))).
% 1.88/1.06  thf(zf_stmt_30, negated_conjecture,
% 1.88/1.06    (( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) | 
% 1.88/1.06     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause35])).
% 1.88/1.06  thf(zip_derived_cl41, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i]:
% 1.88/1.06         ( (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06            X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_30])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl112, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl54, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111])).
% 1.88/1.06  thf(zip_derived_cl114, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl49, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112])).
% 1.88/1.06  thf(zip_derived_cl125, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl45, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114])).
% 1.88/1.06  thf(zip_derived_cl134, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i]:
% 1.88/1.06          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl41, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114, 
% 1.88/1.06                 zip_derived_cl125])).
% 1.88/1.06  thf(clause41, conjecture,
% 1.88/1.06    (~( ( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 1.88/1.06          X10 ) | 
% 1.88/1.06        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 1.88/1.06        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) ))).
% 1.88/1.06  thf(zf_stmt_31, negated_conjecture,
% 1.88/1.06    (( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 ) | 
% 1.88/1.06     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 1.88/1.06     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause41])).
% 1.88/1.06  thf(zip_derived_cl35, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i, X15 : $i]:
% 1.88/1.06         ( (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06            X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 1.88/1.06          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_31])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl112, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl54, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111])).
% 1.88/1.06  thf(zip_derived_cl114, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl49, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112])).
% 1.88/1.06  thf(zip_derived_cl125, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl45, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114])).
% 1.88/1.06  thf(zip_derived_cl134, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i]:
% 1.88/1.06          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl41, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114, 
% 1.88/1.06                 zip_derived_cl125])).
% 1.88/1.06  thf(zip_derived_cl145, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i, X15 : $i]:
% 1.88/1.06          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl35, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114, 
% 1.88/1.06                 zip_derived_cl125, zip_derived_cl134])).
% 1.88/1.06  thf(zip_derived_cl233, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i, X15 : $i, X16 : $i]:
% 1.88/1.06         ( (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 1.88/1.06          |  (ssPv4_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06              X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 1.88/1.06              X15 @ X16)
% 1.88/1.06          | ~ (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl19, zip_derived_cl177, zip_derived_cl75, 
% 1.88/1.06                 zip_derived_cl81, zip_derived_cl82, zip_derived_cl83, 
% 1.88/1.06                 zip_derived_cl84, zip_derived_cl86, zip_derived_cl88, 
% 1.88/1.06                 zip_derived_cl95, zip_derived_cl96, zip_derived_cl104, 
% 1.88/1.06                 zip_derived_cl110, zip_derived_cl111, zip_derived_cl112, 
% 1.88/1.06                 zip_derived_cl114, zip_derived_cl125, zip_derived_cl134, 
% 1.88/1.06                 zip_derived_cl145])).
% 1.88/1.06  thf(clause51, conjecture,
% 1.88/1.06    (~( ( ssPv17_4r1r1r1r1 @ U @ V @ W @ X ) | 
% 1.88/1.06        ( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) | 
% 1.88/1.06        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssPv16_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 1.88/1.06        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 1.88/1.06        ( ~( ssPv4_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 1.88/1.06             X9 @ X10 @ X11 ) ) | 
% 1.88/1.06        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 1.88/1.06             X9 @ X10 ) ) ))).
% 1.88/1.06  thf(zf_stmt_32, negated_conjecture,
% 1.88/1.06    (( ssPv17_4r1r1r1r1 @ U @ V @ W @ X ) | 
% 1.88/1.06     ( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) | ( ~( ssNder1_0 ) ) | 
% 1.88/1.06     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssPv16_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 1.88/1.06     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 1.88/1.06     ( ~( ssPv4_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 1.88/1.06          X10 @ X11 ) ) | 
% 1.88/1.06     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 1.88/1.06          X10 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause51])).
% 1.88/1.06  thf(zip_derived_cl25, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i, X15 : $i, X16 : $i]:
% 1.88/1.06         ( (ssPv17_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          |  (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssPv16_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 1.88/1.06          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 1.88/1.06          | ~ (ssPv4_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 1.88/1.06               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 1.88/1.06               X14 @ X15 @ X16)
% 1.88/1.06          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 1.88/1.06               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 1.88/1.06               X14 @ X15))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_32])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl112, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl54, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111])).
% 1.88/1.06  thf(zip_derived_cl114, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl49, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112])).
% 1.88/1.06  thf(zip_derived_cl125, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl45, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114])).
% 1.88/1.06  thf(zip_derived_cl134, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i]:
% 1.88/1.06          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl41, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114, 
% 1.88/1.06                 zip_derived_cl125])).
% 1.88/1.06  thf(zip_derived_cl145, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i, X15 : $i]:
% 1.88/1.06          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl35, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114, 
% 1.88/1.06                 zip_derived_cl125, zip_derived_cl134])).
% 1.88/1.06  thf(zip_derived_cl207, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i, X15 : $i, X16 : $i]:
% 1.88/1.06         ( (ssPv17_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          |  (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssPv16_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssPv4_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 1.88/1.06               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 1.88/1.06               X14 @ X15 @ X16))),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl25, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114, 
% 1.88/1.06                 zip_derived_cl125, zip_derived_cl134, zip_derived_cl145])).
% 1.88/1.06  thf(zip_derived_cl234, plain,
% 1.88/1.06      (![X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i, 
% 1.88/1.06         X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, X14 : $i, X15 : $i, 
% 1.88/1.06         X16 : $i]:
% 1.88/1.06         (~ (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X16 @ X15 @ X14 @ X13 @ 
% 1.88/1.06             X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3)
% 1.88/1.06          |  (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X16 @ X15 @ X14 @ X13 @ 
% 1.88/1.06              X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2)
% 1.88/1.06          | ~ (ssPv16_5r1r1r1r1r1 @ X16 @ X15 @ X14 @ X13 @ X12)
% 1.88/1.06          |  (ssPv15_6r1r1r1r1r1r1 @ X16 @ X15 @ X14 @ X13 @ X12 @ X11)
% 1.88/1.06          |  (ssPv17_4r1r1r1r1 @ X16 @ X15 @ X14 @ X13))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl233, zip_derived_cl207])).
% 1.88/1.06  thf(zip_derived_cl120, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06         ~ (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ skc19)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl107, zip_derived_cl110, zip_derived_cl111, 
% 1.88/1.06                 zip_derived_cl112, zip_derived_cl114])).
% 1.88/1.06  thf(zip_derived_cl235, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06         ( (ssPv17_4r1r1r1r1 @ X13 @ X12 @ X11 @ X10)
% 1.88/1.06          |  (ssPv15_6r1r1r1r1r1r1 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8)
% 1.88/1.06          | ~ (ssPv16_5r1r1r1r1r1 @ X13 @ X12 @ X11 @ X10 @ X9)
% 1.88/1.06          | ~ (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X13 @ X12 @ X11 @ X10 @ 
% 1.88/1.06               X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl234, zip_derived_cl120])).
% 1.88/1.06  thf(zip_derived_cl236, plain,
% 1.88/1.06      (![X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06         (~ (ssPv16_5r1r1r1r1r1 @ X12 @ X11 @ X10 @ X9 @ X8)
% 1.88/1.06          |  (ssPv15_6r1r1r1r1r1r1 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7)
% 1.88/1.06          |  (ssPv17_4r1r1r1r1 @ X12 @ X11 @ X10 @ X9))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl115, zip_derived_cl235])).
% 1.88/1.06  thf(zip_derived_cl237, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06         ( (ssPv17_4r1r1r1r1 @ X3 @ X2 @ X1 @ X0)
% 1.88/1.06          |  (ssPv15_6r1r1r1r1r1r1 @ X3 @ X2 @ X1 @ X0 @ skc30 @ X4))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl85, zip_derived_cl236])).
% 1.88/1.06  thf(clause36, conjecture,
% 1.88/1.06    (~( ( ssPv5_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 1.88/1.06          skc16 ) | 
% 1.88/1.06        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) ))).
% 1.88/1.06  thf(zf_stmt_33, negated_conjecture,
% 1.88/1.06    (( ssPv5_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 1.88/1.06       skc16 ) | 
% 1.88/1.06     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause36])).
% 1.88/1.06  thf(zip_derived_cl40, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i]:
% 1.88/1.06         ( (ssPv5_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06            X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ skc16)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_33])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl112, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl54, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111])).
% 1.88/1.06  thf(zip_derived_cl114, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl49, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112])).
% 1.88/1.06  thf(zip_derived_cl125, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl45, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114])).
% 1.88/1.06  thf(zip_derived_cl139, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i]:
% 1.88/1.06          (ssPv5_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ skc16)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl40, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114, 
% 1.88/1.06                 zip_derived_cl125])).
% 1.88/1.06  thf(clause48, conjecture,
% 1.88/1.06    (~( ( ssPv11_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) | 
% 1.88/1.06        ( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) | 
% 1.88/1.06        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssPv17_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 1.88/1.06        ( ~( ssPv5_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 1.88/1.06             X9 @ X10 ) ) | 
% 1.88/1.06        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) ))).
% 1.88/1.06  thf(zf_stmt_34, negated_conjecture,
% 1.88/1.06    (( ssPv11_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) | 
% 1.88/1.06     ( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) | 
% 1.88/1.06     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssPv17_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 1.88/1.06     ( ~( ssPv5_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 1.88/1.06          X10 ) ) | 
% 1.88/1.06     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause48])).
% 1.88/1.06  thf(zip_derived_cl28, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i, X15 : $i]:
% 1.88/1.06         ( (ssPv11_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06            X7 @ X8 @ X9)
% 1.88/1.06          |  (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06              X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssPv17_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 1.88/1.06          | ~ (ssPv5_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)
% 1.88/1.06          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_34])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl112, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl54, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111])).
% 1.88/1.06  thf(zip_derived_cl114, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl49, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112])).
% 1.88/1.06  thf(zip_derived_cl125, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl45, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114])).
% 1.88/1.06  thf(zip_derived_cl134, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i]:
% 1.88/1.06          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl41, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114, 
% 1.88/1.06                 zip_derived_cl125])).
% 1.88/1.06  thf(zip_derived_cl203, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i, X15 : $i]:
% 1.88/1.06         ( (ssPv11_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06            X7 @ X8 @ X9)
% 1.88/1.06          |  (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06              X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssPv17_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssPv5_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15))),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl28, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114, 
% 1.88/1.06                 zip_derived_cl125, zip_derived_cl134])).
% 1.88/1.06  thf(zip_derived_cl204, plain,
% 1.88/1.06      (![X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i, 
% 1.88/1.06         X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, X14 : $i]:
% 1.88/1.06         (~ (ssPv17_4r1r1r1r1 @ X14 @ X13 @ X12 @ X11)
% 1.88/1.06          |  (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X14 @ X13 @ X12 @ X11 @ 
% 1.88/1.06              X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2)
% 1.88/1.06          |  (ssPv11_10r1r1r1r1r1r1r1r1r1r1 @ X14 @ X13 @ X12 @ X11 @ X10 @ 
% 1.88/1.06              X9 @ X8 @ X7 @ X6 @ X5))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl139, zip_derived_cl203])).
% 1.88/1.06  thf(zip_derived_cl239, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06         ( (ssPv15_6r1r1r1r1r1r1 @ X3 @ X2 @ X1 @ X0 @ skc30 @ X13)
% 1.88/1.06          |  (ssPv11_10r1r1r1r1r1r1r1r1r1r1 @ X3 @ X2 @ X1 @ X0 @ X9 @ X8 @ 
% 1.88/1.06              X7 @ X6 @ X5 @ X4)
% 1.88/1.06          |  (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X3 @ X2 @ X1 @ X0 @ X9 @ 
% 1.88/1.06              X8 @ X7 @ X6 @ X5 @ X4 @ X12 @ X11 @ X10))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl237, zip_derived_cl204])).
% 1.88/1.06  thf(clause24, conjecture,
% 1.88/1.06    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06        ( ~( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ skc23 ) ) ))).
% 1.88/1.06  thf(zf_stmt_35, negated_conjecture,
% 1.88/1.06    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06     ( ~( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ skc23 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause24])).
% 1.88/1.06  thf(zip_derived_cl52, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06         (~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ skc23))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_35])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl76, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06         (~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ skc23))),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl52, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl99, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06         (~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06             X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ skc23))),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl76, zip_derived_cl81, zip_derived_cl82, 
% 1.88/1.06                 zip_derived_cl83, zip_derived_cl84, zip_derived_cl86, 
% 1.88/1.06                 zip_derived_cl88, zip_derived_cl95, zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl105, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06         (~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06             X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ skc23))),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl99, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl118, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06         ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06            X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ skc23)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl105, zip_derived_cl110, zip_derived_cl111])).
% 1.88/1.06  thf(zip_derived_cl241, plain,
% 1.88/1.06      (![X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i, 
% 1.88/1.06         X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06         ( (ssPv11_10r1r1r1r1r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ 
% 1.88/1.06            X5 @ X4 @ X3 @ X2)
% 1.88/1.06          |  (ssPv15_6r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ skc30 @ X12))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl239, zip_derived_cl118])).
% 1.88/1.06  thf(zip_derived_cl149, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06         ( (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          |  (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06              X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 1.88/1.06          | ~ (ssPv12_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7 @ X8)
% 1.88/1.06          | ~ (ssPv11_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9))),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl37, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114])).
% 1.88/1.06  thf(zip_derived_cl177, plain, (![X3 : $i]: ~ (ssPv20_1r1 @ X3)),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl176, zip_derived_cl89])).
% 1.88/1.06  thf(clause23, conjecture,
% 1.88/1.06    (~( ( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ skc22 ) | 
% 1.88/1.06        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) ))).
% 1.88/1.06  thf(zf_stmt_36, negated_conjecture,
% 1.88/1.06    (( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ skc22 ) | 
% 1.88/1.06     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause23])).
% 1.88/1.06  thf(zip_derived_cl53, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06         ( (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06            X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ skc22)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_36])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl113, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06          (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ skc22)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl53, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111])).
% 1.88/1.06  thf(zip_derived_cl139, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i]:
% 1.88/1.06          (ssPv5_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ skc16)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl40, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114, 
% 1.88/1.06                 zip_derived_cl125])).
% 1.88/1.06  thf(clause46, conjecture,
% 1.88/1.06    (~( ( ssPv20_1r1 @ U ) | 
% 1.88/1.06        ( ssPv12_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) | 
% 1.88/1.06        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06        ( ~( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 1.88/1.06        ( ~( ssPv5_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 1.88/1.06             X9 @ X10 ) ) | 
% 1.88/1.06        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) ))).
% 1.88/1.06  thf(zf_stmt_37, negated_conjecture,
% 1.88/1.06    (( ssPv20_1r1 @ U ) | 
% 1.88/1.06     ( ssPv12_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) | 
% 1.88/1.06     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 1.88/1.06     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 1.88/1.06     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 1.88/1.06     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 1.88/1.06     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 1.88/1.06     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 1.88/1.06     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 1.88/1.06     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 1.88/1.06     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06     ( ~( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 1.88/1.06     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 1.88/1.06     ( ~( ssPv5_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 1.88/1.06          X10 ) ) | 
% 1.88/1.06     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 1.88/1.06          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause46])).
% 1.88/1.06  thf(zip_derived_cl30, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i, X15 : $i]:
% 1.88/1.06         ( (ssPv20_1r1 @ X0)
% 1.88/1.06          |  (ssPv12_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06              X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 1.88/1.06          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 1.88/1.06          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06               X7)
% 1.88/1.06          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8)
% 1.88/1.06          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9)
% 1.88/1.06          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 1.88/1.06          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 1.88/1.06          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 1.88/1.06          | ~ (ssPv5_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)
% 1.88/1.06          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_37])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl86, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl68, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl88, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl65, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl95, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl62, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88])).
% 1.88/1.06  thf(zip_derived_cl96, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 1.88/1.06          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl59, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95])).
% 1.88/1.06  thf(zip_derived_cl104, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl57, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96])).
% 1.88/1.06  thf(zip_derived_cl110, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i]:
% 1.88/1.06          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06           X7 @ X8 @ X9)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl56, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104])).
% 1.88/1.06  thf(zip_derived_cl111, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 1.88/1.06          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl55, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110])).
% 1.88/1.06  thf(zip_derived_cl112, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 1.88/1.06          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl54, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111])).
% 1.88/1.06  thf(zip_derived_cl114, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl49, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112])).
% 1.88/1.06  thf(zip_derived_cl125, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl45, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114])).
% 1.88/1.06  thf(zip_derived_cl134, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i]:
% 1.88/1.06          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl41, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114, 
% 1.88/1.06                 zip_derived_cl125])).
% 1.88/1.06  thf(zip_derived_cl182, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i, X15 : $i]:
% 1.88/1.06         ( (ssPv20_1r1 @ X0)
% 1.88/1.06          |  (ssPv12_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 1.88/1.06              X7 @ X8)
% 1.88/1.06          | ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 1.88/1.06          | ~ (ssPv5_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 1.88/1.06               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15))),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl30, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83, zip_derived_cl84, 
% 1.88/1.06                 zip_derived_cl86, zip_derived_cl88, zip_derived_cl95, 
% 1.88/1.06                 zip_derived_cl96, zip_derived_cl104, zip_derived_cl110, 
% 1.88/1.06                 zip_derived_cl111, zip_derived_cl112, zip_derived_cl114, 
% 1.88/1.06                 zip_derived_cl125, zip_derived_cl134])).
% 1.88/1.06  thf(zip_derived_cl183, plain,
% 1.88/1.06      (![X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i, 
% 1.88/1.06         X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, X14 : $i]:
% 1.88/1.06         (~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X14 @ X13 @ X12 @ X11 @ 
% 1.88/1.06             X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2)
% 1.88/1.06          |  (ssPv12_9r1r1r1r1r1r1r1r1r1 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ 
% 1.88/1.06              X8 @ X7 @ X6)
% 1.88/1.06          |  (ssPv20_1r1 @ X14))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl139, zip_derived_cl182])).
% 1.88/1.06  thf(zip_derived_cl184, plain,
% 1.88/1.06      (![X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i, X9 : $i, 
% 1.88/1.06         X10 : $i, X11 : $i]:
% 1.88/1.06         ( (ssPv20_1r1 @ X11)
% 1.88/1.06          |  (ssPv12_9r1r1r1r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ 
% 1.88/1.06              X5 @ X4 @ X3))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl113, zip_derived_cl183])).
% 1.88/1.06  thf(zip_derived_cl195, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i]:
% 1.88/1.06          (ssPv12_9r1r1r1r1r1r1r1r1r1 @ X0 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ 
% 1.88/1.06           X2 @ X1)),
% 1.88/1.06      inference('sup+', [status(thm)], [zip_derived_cl177, zip_derived_cl184])).
% 1.88/1.06  thf(zip_derived_cl197, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 1.88/1.06         ( (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 1.88/1.06          |  (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06              X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 1.88/1.06          | ~ (ssPv11_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 1.88/1.06               X6 @ X7 @ X8 @ X9))),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl149, zip_derived_cl195])).
% 1.88/1.06  thf(zip_derived_cl242, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 1.88/1.06         X14 : $i]:
% 1.88/1.06         ( (ssPv15_6r1r1r1r1r1r1 @ X9 @ X8 @ X7 @ X6 @ skc30 @ X14)
% 1.88/1.06          |  (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X9 @ X8 @ X7 @ X6 @ X5 @ 
% 1.88/1.06              X4 @ X3 @ X2 @ X1 @ X0 @ X13 @ X12 @ X11 @ X10)
% 1.88/1.06          |  (ssPv14_7r1r1r1r1r1r1r1 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl241, zip_derived_cl197])).
% 1.88/1.06  thf(zip_derived_cl119, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.88/1.06         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 1.88/1.06         ~ (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 1.88/1.06            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc21)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl106, zip_derived_cl110, zip_derived_cl111, 
% 1.88/1.06                 zip_derived_cl112])).
% 1.88/1.06  thf(zip_derived_cl243, plain,
% 1.88/1.06      (![X6 : $i, X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, 
% 1.88/1.06         X13 : $i]:
% 1.88/1.06         ( (ssPv14_7r1r1r1r1r1r1r1 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6)
% 1.88/1.06          |  (ssPv15_6r1r1r1r1r1r1 @ X12 @ X11 @ X10 @ X9 @ skc30 @ X13))),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl242, zip_derived_cl119])).
% 1.88/1.06  thf(zip_derived_cl91, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.88/1.06         ~ (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ skc27)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl78, zip_derived_cl81, zip_derived_cl82, 
% 1.88/1.06                 zip_derived_cl83, zip_derived_cl84, zip_derived_cl86])).
% 1.88/1.06  thf(zip_derived_cl244, plain,
% 1.88/1.06      (![X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.88/1.06          (ssPv15_6r1r1r1r1r1r1 @ X5 @ X4 @ X3 @ X2 @ skc30 @ X6)),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl243, zip_derived_cl91])).
% 1.88/1.06  thf(clause10, conjecture,
% 1.88/1.06    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 1.88/1.06        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06        ( ~( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ skc29 ) ) ))).
% 1.88/1.06  thf(zf_stmt_38, negated_conjecture,
% 1.88/1.06    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 1.88/1.06     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 1.88/1.06     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 1.88/1.06     ( ~( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ skc29 ) )),
% 1.88/1.06    inference('cnf.neg', [status(esa)], [clause10])).
% 1.88/1.06  thf(zip_derived_cl66, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06         (~ (ssNder1_0)
% 1.88/1.06          | ~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ skc29))),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_38])).
% 1.88/1.06  thf(zip_derived_cl75, plain, ( (ssNder1_0)),
% 1.88/1.06      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.88/1.06  thf(zip_derived_cl79, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06         (~ (ssNder1_1r1 @ X0)
% 1.88/1.06          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 1.88/1.06          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 1.88/1.06          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 1.88/1.06          | ~ (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ skc29))),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl66, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl81, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 1.88/1.06      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl75])).
% 1.88/1.06  thf(zip_derived_cl82, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl73, zip_derived_cl75, zip_derived_cl81])).
% 1.88/1.06  thf(zip_derived_cl83, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl72, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82])).
% 1.88/1.06  thf(zip_derived_cl84, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.88/1.06          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl71, zip_derived_cl75, zip_derived_cl81, 
% 1.88/1.06                 zip_derived_cl82, zip_derived_cl83])).
% 1.88/1.06  thf(zip_derived_cl90, plain,
% 1.88/1.06      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.88/1.06         ~ (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ skc29)),
% 1.88/1.06      inference('demod', [status(thm)],
% 1.88/1.06                [zip_derived_cl79, zip_derived_cl81, zip_derived_cl82, 
% 1.88/1.06                 zip_derived_cl83, zip_derived_cl84])).
% 1.88/1.06  thf(zip_derived_cl245, plain, ($false),
% 1.88/1.06      inference('sup-', [status(thm)], [zip_derived_cl244, zip_derived_cl90])).
% 1.88/1.06  
% 1.88/1.06  % SZS output end Refutation
% 1.88/1.06  
% 1.88/1.06  
% 1.88/1.06  % Terminating...
% 2.50/1.14  % Runner terminated.
% 2.92/1.14  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------