TSTP Solution File: SYN848-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SYN848-1 : 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.8B3Z6z6BE8 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 04:05:45 EDT 2023

% Result   : Unsatisfiable 23.07s 3.95s
% Output   : Refutation 23.07s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SYN848-1 : TPTP v8.1.2. Released v2.5.0.
% 0.00/0.13  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.8B3Z6z6BE8 true
% 0.13/0.34  % Computer : n025.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Sat Aug 26 21:42:38 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  % Running portfolio for 300 s
% 0.13/0.35  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.35  % Number of cores: 8
% 0.13/0.35  % Python version: Python 3.6.8
% 0.13/0.35  % Running in FO mode
% 0.21/0.67  % Total configuration time : 435
% 0.21/0.67  % Estimated wc time : 1092
% 0.21/0.67  % Estimated cpu time (7 cpus) : 156.0
% 0.21/0.73  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.21/0.77  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.21/0.77  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.21/0.77  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.21/0.77  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.21/0.78  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.68/0.78  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 23.07/3.95  % Solved by fo/fo7.sh.
% 23.07/3.95  % done 1216 iterations in 3.008s
% 23.07/3.95  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 23.07/3.95  % SZS output start Refutation
% 23.07/3.95  thf(ssPv8_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, 
% 23.07/3.95      ssPv8_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_7r1r1r1r1r1r1r1_type, type, ssNder1_7r1r1r1r1r1r1r1: $i > $i > 
% 23.07/3.95                                                                   $i > $i > 
% 23.07/3.95                                                                   $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_1r1_type, type, ssNder1_1r1: $i > $o).
% 23.07/3.95  thf(ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, 
% 23.07/3.95      ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: $i > $i > $i > 
% 23.07/3.95                                                            $i > $i > $i > 
% 23.07/3.95                                                            $i > $i > $i > 
% 23.07/3.95                                                            $i > $i > $i > 
% 23.07/3.95                                                            $i > $i > $i > 
% 23.07/3.95                                                            $i > $i > $i > 
% 23.07/3.95                                                            $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_5r1r1r1r1r1_type, type, ssNder1_5r1r1r1r1r1: $i > $i > $i > $i > 
% 23.07/3.95                                                           $i > $o).
% 23.07/3.95  thf(ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 23.07/3.95      $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, 
% 23.07/3.95      ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: $i > $i > $i > 
% 23.07/3.95                                                            $i > $i > $i > 
% 23.07/3.95                                                            $i > $i > $i > 
% 23.07/3.95                                                            $i > $i > $i > 
% 23.07/3.95                                                            $i > $i > $i > 
% 23.07/3.95                                                            $i > $i > $i > 
% 23.07/3.95                                                            $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_11r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_11r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 23.07/3.95      $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_3r1r1r1_type, type, ssNder1_3r1r1r1: $i > $i > $i > $o).
% 23.07/3.95  thf(skc37_type, type, skc37: $i).
% 23.07/3.95  thf(ssPv27_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv27_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_9r1r1r1r1r1r1r1r1r1_type, type, ssNder1_9r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssPv17_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv17_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssPv22_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv22_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 23.07/3.95      $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, 
% 23.07/3.95      ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $o).
% 23.07/3.95  thf(ssPv21_8r1r1r1r1r1r1r1r1_type, type, ssPv21_8r1r1r1r1r1r1r1r1: $i > $i > 
% 23.07/3.95                                                                     $i > $i > 
% 23.07/3.95                                                                     $i > $i > 
% 23.07/3.95                                                                     $i > $i > $o).
% 23.07/3.95  thf(ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, 
% 23.07/3.95      ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > $o).
% 23.07/3.95  thf(ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 23.07/3.95      $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, 
% 23.07/3.95      ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: $i > $i > $i > 
% 23.07/3.95                                                              $i > $i > $i > 
% 23.07/3.95                                                              $i > $i > $i > 
% 23.07/3.95                                                              $i > $i > $i > 
% 23.07/3.95                                                              $i > $i > $i > 
% 23.07/3.95                                                              $i > $i > $i > 
% 23.07/3.95                                                              $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 23.07/3.95      $i > $i > $i > $i > $o).
% 23.07/3.95  thf(skc31_type, type, skc31: $i).
% 23.07/3.95  thf(ssNder1_8r1r1r1r1r1r1r1r1_type, type, ssNder1_8r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 23.07/3.95      $i > $i > $i > $i > $o).
% 23.07/3.95  thf(skc46_type, type, skc46: $i).
% 23.07/3.95  thf(ssNder1_10r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_10r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssPv26_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv26_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssPv21_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv21_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 23.07/3.95      $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssPv26_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv26_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_6r1r1r1r1r1r1_type, type, ssNder1_6r1r1r1r1r1r1: $i > $i > $i > 
% 23.07/3.95                                                               $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssPv27_2r1r1_type, type, ssPv27_2r1r1: $i > $i > $o).
% 23.07/3.95  thf(ssPv7_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, 
% 23.07/3.95      ssPv7_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > $o).
% 23.07/3.95  thf(skc32_type, type, skc32: $i).
% 23.07/3.95  thf(ssNder1_0_type, type, ssNder1_0: $o).
% 23.07/3.95  thf(ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_4r1r1r1r1_type, type, ssNder1_4r1r1r1r1: $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 23.07/3.95      $i > $i > $o).
% 23.07/3.95  thf(ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, 
% 23.07/3.95      ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > 
% 23.07/3.95                                                                $i > $i > $i > $o).
% 23.07/3.95  thf(ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssPv24_5r1r1r1r1r1_type, type, ssPv24_5r1r1r1r1r1: $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(ssPv13_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv13_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > 
% 23.07/3.95      $i > $i > $o).
% 23.07/3.95  thf(skc29_type, type, skc29: $i).
% 23.07/3.95  thf(ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1: 
% 23.07/3.95      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 23.07/3.95  thf(skc40_type, type, skc40: $i).
% 23.07/3.95  thf(skc42_type, type, skc42: $i).
% 23.07/3.95  thf(ssPv17_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, 
% 23.07/3.95      ssPv17_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > $o).
% 23.07/3.95  thf(skc25_type, type, skc25: $i).
% 23.07/3.95  thf(ssNder1_2r1r1_type, type, ssNder1_2r1r1: $i > $i > $o).
% 23.07/3.95  thf(ssPv26_3r1r1r1_type, type, ssPv26_3r1r1r1: $i > $i > $i > $o).
% 23.07/3.95  thf(ssPv11_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, 
% 23.07/3.95      ssPv11_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > $o).
% 23.07/3.95  thf(ssPv22_7r1r1r1r1r1r1r1_type, type, ssPv22_7r1r1r1r1r1r1r1: $i > $i > 
% 23.07/3.95                                                                 $i > $i > 
% 23.07/3.95                                                                 $i > $i > $i > $o).
% 23.07/3.95  thf(clause67, conjecture,
% 23.07/3.95    (~( ( ssPv21_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ skc40 ) | 
% 23.07/3.95        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) ))).
% 23.07/3.95  thf(zf_stmt_0, negated_conjecture,
% 23.07/3.95    (( ssPv21_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ skc40 ) | 
% 23.07/3.95     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause67])).
% 23.07/3.95  thf(zip_derived_cl901, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.95         ( (ssPv21_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ skc40)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.95          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_0])).
% 23.07/3.95  thf(clause1, conjecture, (~( ssNder1_0 ))).
% 23.07/3.95  thf(zf_stmt_1, negated_conjecture, (ssNder1_0),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause1])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(clause2, conjecture, (~( ( ssNder1_1r1 @ U ) | ( ~( ssNder1_0 ) ) ))).
% 23.07/3.95  thf(zf_stmt_2, negated_conjecture,
% 23.07/3.95    (( ssNder1_1r1 @ U ) | ( ~( ssNder1_0 ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause2])).
% 23.07/3.95  thf(zip_derived_cl966, plain,
% 23.07/3.95      (![X0 : $i]: ( (ssNder1_1r1 @ X0) | ~ (ssNder1_0))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_2])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(clause3, conjecture,
% 23.07/3.95    (~( ( ssNder1_2r1r1 @ U @ V ) | ( ~( ssNder1_0 ) ) | 
% 23.07/3.95        ( ~( ssNder1_1r1 @ U ) ) ))).
% 23.07/3.95  thf(zf_stmt_3, negated_conjecture,
% 23.07/3.95    (( ssNder1_2r1r1 @ U @ V ) | ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause3])).
% 23.07/3.95  thf(zip_derived_cl965, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:
% 23.07/3.95         ( (ssNder1_2r1r1 @ X0 @ X1) | ~ (ssNder1_0) | ~ (ssNder1_1r1 @ X0))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_3])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(clause10, conjecture,
% 23.07/3.95    (~( ( ssNder1_3r1r1r1 @ U @ V @ W ) | ( ~( ssNder1_0 ) ) | 
% 23.07/3.95        ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) ))).
% 23.07/3.95  thf(zf_stmt_4, negated_conjecture,
% 23.07/3.95    (( ssNder1_3r1r1r1 @ U @ V @ W ) | ( ~( ssNder1_0 ) ) | 
% 23.07/3.95     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause10])).
% 23.07/3.95  thf(zip_derived_cl958, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:
% 23.07/3.95         ( (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_4])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(clause18, conjecture,
% 23.07/3.95    (~( ( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) | ( ~( ssNder1_0 ) ) | 
% 23.07/3.95        ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) ))).
% 23.07/3.95  thf(zf_stmt_5, negated_conjecture,
% 23.07/3.95    (( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) | ( ~( ssNder1_0 ) ) | 
% 23.07/3.95     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause18])).
% 23.07/3.95  thf(zip_derived_cl950, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95         ( (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_5])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(clause34, conjecture,
% 23.07/3.95    (~( ( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) | ( ~( ssNder1_0 ) ) | 
% 23.07/3.95        ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) ))).
% 23.07/3.95  thf(zf_stmt_6, negated_conjecture,
% 23.07/3.95    (( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) | ( ~( ssNder1_0 ) ) | 
% 23.07/3.95     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause34])).
% 23.07/3.95  thf(zip_derived_cl934, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95         ( (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_6])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(zip_derived_cl1024, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.95  thf(clause51, conjecture,
% 23.07/3.95    (~( ( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) | 
% 23.07/3.95        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) ))).
% 23.07/3.95  thf(zf_stmt_7, negated_conjecture,
% 23.07/3.95    (( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) | ( ~( ssNder1_0 ) ) | 
% 23.07/3.95     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause51])).
% 23.07/3.95  thf(zip_derived_cl917, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.95         ( (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_7])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(zip_derived_cl1024, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.95  thf(zip_derived_cl1046, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.95          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024])).
% 23.07/3.95  thf(zip_derived_cl1072, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.95          (ssPv21_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ skc40)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl901, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.95  thf(clause534, conjecture,
% 23.07/3.95    (~( ( ssPv26_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) | 
% 23.07/3.95        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssPv26_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.95        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.95        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.95        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.95        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.95        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.95             X9 @ X10 ) ) | 
% 23.07/3.95        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.95             X9 @ X10 @ X11 ) ) | 
% 23.07/3.95        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.95             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.95        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.95             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.95        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.95             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) ))).
% 23.07/3.95  thf(zf_stmt_8, negated_conjecture,
% 23.07/3.95    (( ssPv26_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95       X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) | 
% 23.07/3.95     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssPv26_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.95     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.95     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.95     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.95     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.95     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95          X10 ) ) | 
% 23.07/3.95     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95          X10 @ X11 ) ) | 
% 23.07/3.95     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95          X10 @ X11 @ X12 ) ) | 
% 23.07/3.95     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.95     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95          X10 @ X11 @ X12 @ X13 @ X14 ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause534])).
% 23.07/3.95  thf(zip_derived_cl434, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.95         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.95         ( (ssPv26_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.95            X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.95            X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssPv26_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.95          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.95          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.95          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95               X7)
% 23.07/3.95          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8)
% 23.07/3.95          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8 @ X9)
% 23.07/3.95          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.95          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.95          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.95          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.95          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.95          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.95               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.95               X14 @ X15)
% 23.07/3.95          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.95               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.95               X14 @ X15 @ X16)
% 23.07/3.95          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.95               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.95               X14 @ X15 @ X16 @ X17)
% 23.07/3.95          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.95               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.95               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.95          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.95               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.95               X14 @ X15 @ X16 @ X17 @ X18 @ X19))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_8])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(zip_derived_cl1024, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.95  thf(zip_derived_cl1046, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.95          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024])).
% 23.07/3.95  thf(clause65, conjecture,
% 23.07/3.95    (~( ( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) | 
% 23.07/3.95        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) ))).
% 23.07/3.95  thf(zf_stmt_9, negated_conjecture,
% 23.07/3.95    (( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) | 
% 23.07/3.95     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause65])).
% 23.07/3.95  thf(zip_derived_cl903, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.95         ( (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.95          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_9])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(zip_derived_cl1024, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.95  thf(zip_derived_cl1046, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.95          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024])).
% 23.07/3.95  thf(zip_derived_cl1074, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.95          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.95  thf(clause90, conjecture,
% 23.07/3.95    (~( ( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) | 
% 23.07/3.95        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) ))).
% 23.07/3.95  thf(zf_stmt_10, negated_conjecture,
% 23.07/3.95    (( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) | 
% 23.07/3.95     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause90])).
% 23.07/3.95  thf(zip_derived_cl878, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.95         ( (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.95          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.95          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_10])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(zip_derived_cl1024, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.95  thf(zip_derived_cl1046, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.95          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024])).
% 23.07/3.95  thf(zip_derived_cl1074, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.95          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.95  thf(zip_derived_cl1113, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.95          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.95  thf(clause114, conjecture,
% 23.07/3.95    (~( ( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) | 
% 23.07/3.95        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) ))).
% 23.07/3.95  thf(zf_stmt_11, negated_conjecture,
% 23.07/3.95    (( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) | 
% 23.07/3.95     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause114])).
% 23.07/3.95  thf(zip_derived_cl854, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i]:
% 23.07/3.95         ( (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95            X7 @ X8)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.95          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.95          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.95          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95               X7))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_11])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(zip_derived_cl1024, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.95  thf(zip_derived_cl1046, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.95          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024])).
% 23.07/3.95  thf(zip_derived_cl1074, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.95          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.95  thf(zip_derived_cl1113, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.95          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.95  thf(zip_derived_cl1150, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i]:
% 23.07/3.95          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113])).
% 23.07/3.95  thf(clause137, conjecture,
% 23.07/3.95    (~( ( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) | 
% 23.07/3.95        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) ))).
% 23.07/3.95  thf(zf_stmt_12, negated_conjecture,
% 23.07/3.95    (( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) | 
% 23.07/3.95     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause137])).
% 23.07/3.95  thf(zip_derived_cl831, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.95         ( (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95            X6 @ X7 @ X8 @ X9)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.95          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.95          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.95          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95               X7)
% 23.07/3.95          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_12])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(zip_derived_cl1024, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.95  thf(zip_derived_cl1046, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.95          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024])).
% 23.07/3.95  thf(zip_derived_cl1074, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.95          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.95  thf(zip_derived_cl1113, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.95          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.95  thf(zip_derived_cl1150, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i]:
% 23.07/3.95          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113])).
% 23.07/3.95  thf(zip_derived_cl1203, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.95          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8 @ X9)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.95  thf(clause162, conjecture,
% 23.07/3.95    (~( ( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) | 
% 23.07/3.95        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) ))).
% 23.07/3.95  thf(zf_stmt_13, negated_conjecture,
% 23.07/3.95    (( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) | 
% 23.07/3.95     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause162])).
% 23.07/3.95  thf(zip_derived_cl806, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.95         ( (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95            X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.95          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.95          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.95          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95               X7)
% 23.07/3.95          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8)
% 23.07/3.95          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8 @ X9))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_13])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(zip_derived_cl1024, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.95  thf(zip_derived_cl1046, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.95          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024])).
% 23.07/3.95  thf(zip_derived_cl1074, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.95          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.95  thf(zip_derived_cl1113, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.95          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.95  thf(zip_derived_cl1150, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i]:
% 23.07/3.95          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113])).
% 23.07/3.95  thf(zip_derived_cl1203, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.95          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8 @ X9)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.95  thf(zip_derived_cl1255, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.95          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.95  thf(clause190, conjecture,
% 23.07/3.95    (~( ( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) | 
% 23.07/3.95        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) ))).
% 23.07/3.95  thf(zf_stmt_14, negated_conjecture,
% 23.07/3.95    (( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) | 
% 23.07/3.95     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause190])).
% 23.07/3.95  thf(zip_derived_cl778, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.95         ( (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95            X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.95          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.95          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.95          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95               X7)
% 23.07/3.95          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8)
% 23.07/3.95          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8 @ X9)
% 23.07/3.95          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_14])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(zip_derived_cl1024, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.95  thf(zip_derived_cl1046, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.95          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024])).
% 23.07/3.95  thf(zip_derived_cl1074, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.95          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.95  thf(zip_derived_cl1113, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.95          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.95  thf(zip_derived_cl1150, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i]:
% 23.07/3.95          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113])).
% 23.07/3.95  thf(zip_derived_cl1203, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.95          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8 @ X9)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.95  thf(zip_derived_cl1255, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.95          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.95  thf(zip_derived_cl1305, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.95          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255])).
% 23.07/3.95  thf(clause220, conjecture,
% 23.07/3.95    (~( ( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) | 
% 23.07/3.95        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.95        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) ))).
% 23.07/3.95  thf(zf_stmt_15, negated_conjecture,
% 23.07/3.95    (( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) | 
% 23.07/3.95     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.95     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause220])).
% 23.07/3.95  thf(zip_derived_cl748, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.95         ( (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.95          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.95          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.95          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95               X7)
% 23.07/3.95          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8)
% 23.07/3.95          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8 @ X9)
% 23.07/3.95          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.95          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_15])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(zip_derived_cl1024, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.95  thf(zip_derived_cl1046, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.95          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024])).
% 23.07/3.95  thf(zip_derived_cl1074, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.95          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.95  thf(zip_derived_cl1113, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.95          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.95  thf(zip_derived_cl1150, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i]:
% 23.07/3.95          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113])).
% 23.07/3.95  thf(zip_derived_cl1203, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.95          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8 @ X9)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.95  thf(zip_derived_cl1255, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.95          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.95  thf(zip_derived_cl1305, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.95          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255])).
% 23.07/3.95  thf(zip_derived_cl1359, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.95          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.95  thf(clause253, conjecture,
% 23.07/3.95    (~( ( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 23.07/3.95        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.95        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.95        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) ))).
% 23.07/3.95  thf(zf_stmt_16, negated_conjecture,
% 23.07/3.95    (( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 23.07/3.95     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.95     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.95     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause253])).
% 23.07/3.95  thf(zip_derived_cl715, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.95         ( (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.95          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.95          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.95          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95               X7)
% 23.07/3.95          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8)
% 23.07/3.95          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8 @ X9)
% 23.07/3.95          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.95          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.95          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_16])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(zip_derived_cl1024, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.95  thf(zip_derived_cl1046, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.95          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024])).
% 23.07/3.95  thf(zip_derived_cl1074, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.95          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.95  thf(zip_derived_cl1113, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.95          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.95  thf(zip_derived_cl1150, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i]:
% 23.07/3.95          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113])).
% 23.07/3.95  thf(zip_derived_cl1203, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.95          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8 @ X9)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.95  thf(zip_derived_cl1255, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.95          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.95  thf(zip_derived_cl1305, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.95          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255])).
% 23.07/3.95  thf(zip_derived_cl1359, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.95          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.95  thf(zip_derived_cl1420, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.95          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.95  thf(clause287, conjecture,
% 23.07/3.95    (~( ( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) | 
% 23.07/3.95        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.95        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.95        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.95        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) ))).
% 23.07/3.95  thf(zf_stmt_17, negated_conjecture,
% 23.07/3.95    (( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) | 
% 23.07/3.95     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.95     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.95     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.95     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause287])).
% 23.07/3.95  thf(zip_derived_cl681, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.95         X14 : $i]:
% 23.07/3.95         ( (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95            X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.95          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.95          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.95          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95               X7)
% 23.07/3.95          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8)
% 23.07/3.95          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8 @ X9)
% 23.07/3.95          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.95          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.95          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.95          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_17])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(zip_derived_cl1024, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.95  thf(zip_derived_cl1046, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.95          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024])).
% 23.07/3.95  thf(zip_derived_cl1074, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.95          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.95  thf(zip_derived_cl1113, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.95          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.95  thf(zip_derived_cl1150, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i]:
% 23.07/3.95          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113])).
% 23.07/3.95  thf(zip_derived_cl1203, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.95          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8 @ X9)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.95  thf(zip_derived_cl1255, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.95          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.95  thf(zip_derived_cl1305, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.95          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255])).
% 23.07/3.95  thf(zip_derived_cl1359, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.95          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.95  thf(zip_derived_cl1420, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.95          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.95  thf(zip_derived_cl1479, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.95         X14 : $i]:
% 23.07/3.95          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.95                 zip_derived_cl1420])).
% 23.07/3.95  thf(clause323, conjecture,
% 23.07/3.95    (~( ( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95          X10 ) | 
% 23.07/3.95        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.95        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.95        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.95        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.95        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) ))).
% 23.07/3.95  thf(zf_stmt_18, negated_conjecture,
% 23.07/3.95    (( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 ) | 
% 23.07/3.95     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.95     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.95     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.95     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.95     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause323])).
% 23.07/3.95  thf(zip_derived_cl645, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.95         X14 : $i, X15 : $i]:
% 23.07/3.95         ( (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95            X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.95          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.95          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.95          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95               X7)
% 23.07/3.95          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8)
% 23.07/3.95          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8 @ X9)
% 23.07/3.95          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.95          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.95          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.95          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.95          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_18])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(zip_derived_cl1024, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.95  thf(zip_derived_cl1046, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.95          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024])).
% 23.07/3.95  thf(zip_derived_cl1074, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.95          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.95  thf(zip_derived_cl1113, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.95          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.95  thf(zip_derived_cl1150, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i]:
% 23.07/3.95          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113])).
% 23.07/3.95  thf(zip_derived_cl1203, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.95          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8 @ X9)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.95  thf(zip_derived_cl1255, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.95          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.95  thf(zip_derived_cl1305, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.95          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255])).
% 23.07/3.95  thf(zip_derived_cl1359, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.95          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.95  thf(zip_derived_cl1420, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.95          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.95  thf(zip_derived_cl1479, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.95         X14 : $i]:
% 23.07/3.95          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.95                 zip_derived_cl1420])).
% 23.07/3.95  thf(zip_derived_cl1547, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.95         X14 : $i, X15 : $i]:
% 23.07/3.95          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.95                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.95  thf(clause361, conjecture,
% 23.07/3.95    (~( ( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95          X10 @ X11 ) | 
% 23.07/3.95        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.95        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.95        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.95        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.95        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.95        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.95             X9 @ X10 ) ) ))).
% 23.07/3.95  thf(zf_stmt_19, negated_conjecture,
% 23.07/3.95    (( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95       X10 @ X11 ) | 
% 23.07/3.95     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.95     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.95     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.95     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.95     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.95     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95          X10 ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause361])).
% 23.07/3.95  thf(zip_derived_cl607, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.95         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.95         ( (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95            X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.95            X16)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.95          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.95          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.95          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95               X7)
% 23.07/3.95          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8)
% 23.07/3.95          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8 @ X9)
% 23.07/3.95          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.95          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.95          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.95          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.95          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.95          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.95               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.95               X14 @ X15))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_19])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(zip_derived_cl1024, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.95  thf(zip_derived_cl1046, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.95          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024])).
% 23.07/3.95  thf(zip_derived_cl1074, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.95          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.95  thf(zip_derived_cl1113, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.95          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.95  thf(zip_derived_cl1150, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i]:
% 23.07/3.95          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113])).
% 23.07/3.95  thf(zip_derived_cl1203, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.95          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8 @ X9)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.95  thf(zip_derived_cl1255, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.95          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.95  thf(zip_derived_cl1305, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.95          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255])).
% 23.07/3.95  thf(zip_derived_cl1359, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.95          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.95  thf(zip_derived_cl1420, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.95          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.95  thf(zip_derived_cl1479, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.95         X14 : $i]:
% 23.07/3.95          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.95                 zip_derived_cl1420])).
% 23.07/3.95  thf(zip_derived_cl1547, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.95         X14 : $i, X15 : $i]:
% 23.07/3.95          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.95                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.95  thf(zip_derived_cl1649, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.95         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.95          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.95           X16)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.95                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.95  thf(clause398, conjecture,
% 23.07/3.95    (~( ( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95          X10 @ X11 @ X12 ) | 
% 23.07/3.95        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.95        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.95        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.95        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.95        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.95        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.95             X9 @ X10 ) ) | 
% 23.07/3.95        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.95             X9 @ X10 @ X11 ) ) ))).
% 23.07/3.95  thf(zf_stmt_20, negated_conjecture,
% 23.07/3.95    (( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95       X10 @ X11 @ X12 ) | 
% 23.07/3.95     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.95     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.95     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.95     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.95     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.95     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95          X10 ) ) | 
% 23.07/3.95     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95          X10 @ X11 ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause398])).
% 23.07/3.95  thf(zip_derived_cl570, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.95         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.95         ( (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.95            X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.95            X15 @ X16 @ X17)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.95          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.95          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.95          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95               X7)
% 23.07/3.95          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8)
% 23.07/3.95          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8 @ X9)
% 23.07/3.95          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.95          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.95          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.95          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.95          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.95          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.95               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.95               X14 @ X15)
% 23.07/3.95          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.95               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.95               X14 @ X15 @ X16))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_20])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(zip_derived_cl1024, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.95  thf(zip_derived_cl1046, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.95          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024])).
% 23.07/3.95  thf(zip_derived_cl1074, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.95          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.95  thf(zip_derived_cl1113, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.95          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.95  thf(zip_derived_cl1150, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i]:
% 23.07/3.95          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113])).
% 23.07/3.95  thf(zip_derived_cl1203, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.95          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8 @ X9)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.95  thf(zip_derived_cl1255, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.95          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.95  thf(zip_derived_cl1305, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.95          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255])).
% 23.07/3.95  thf(zip_derived_cl1359, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.95          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.95  thf(zip_derived_cl1420, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.95          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.95  thf(zip_derived_cl1479, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.95         X14 : $i]:
% 23.07/3.95          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.95                 zip_derived_cl1420])).
% 23.07/3.95  thf(zip_derived_cl1547, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.95         X14 : $i, X15 : $i]:
% 23.07/3.95          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.95                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.95  thf(zip_derived_cl1649, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.95         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.95          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.95           X16)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.95                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.95  thf(zip_derived_cl1732, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.95         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.95          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.95           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.95           X15 @ X16 @ X17)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.95                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.95                 zip_derived_cl1649])).
% 23.07/3.95  thf(clause439, conjecture,
% 23.07/3.95    (~( ( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95          X10 @ X11 @ X12 @ X13 ) | 
% 23.07/3.95        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.95        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.95        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.95        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.95        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.95        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.95        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.95             X9 @ X10 ) ) | 
% 23.07/3.95        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.95             X9 @ X10 @ X11 ) ) | 
% 23.07/3.95        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.95             X9 @ X10 @ X11 @ X12 ) ) ))).
% 23.07/3.95  thf(zf_stmt_21, negated_conjecture,
% 23.07/3.95    (( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95       X10 @ X11 @ X12 @ X13 ) | 
% 23.07/3.95     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.95     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.95     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.95     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.95     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.95     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.95     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.95     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.95     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.95     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.95     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.95     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.95     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.95     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.95     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95          X10 ) ) | 
% 23.07/3.95     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95          X10 @ X11 ) ) | 
% 23.07/3.95     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.95          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.95          X10 @ X11 @ X12 ) )),
% 23.07/3.95    inference('cnf.neg', [status(esa)], [clause439])).
% 23.07/3.95  thf(zip_derived_cl529, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.95         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.95         ( (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.95            X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.95            X15 @ X16 @ X17 @ X18)
% 23.07/3.95          | ~ (ssNder1_0)
% 23.07/3.95          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.95          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.95          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.95          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.95          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.95          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.95          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.95          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95               X7)
% 23.07/3.95          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8)
% 23.07/3.95          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95               X6 @ X7 @ X8 @ X9)
% 23.07/3.95          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.95          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.95          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.95          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.95          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.95               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.95          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.95               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.95               X14 @ X15)
% 23.07/3.95          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.95               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.95               X14 @ X15 @ X16)
% 23.07/3.95          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.95               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.95               X14 @ X15 @ X16 @ X17))),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_21])).
% 23.07/3.95  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.95      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.95  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.95      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.95  thf(zip_derived_cl974, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.95  thf(zip_derived_cl979, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974])).
% 23.07/3.95  thf(zip_derived_cl998, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.95          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.95  thf(zip_derived_cl1024, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.95          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.95  thf(zip_derived_cl1046, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.95          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024])).
% 23.07/3.95  thf(zip_derived_cl1074, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.95          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.95  thf(zip_derived_cl1113, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.95          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.95  thf(zip_derived_cl1150, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i]:
% 23.07/3.95          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113])).
% 23.07/3.95  thf(zip_derived_cl1203, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.95          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.95           X7 @ X8 @ X9)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.95  thf(zip_derived_cl1255, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.95          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.95  thf(zip_derived_cl1305, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.95          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.95           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.95      inference('demod', [status(thm)],
% 23.07/3.95                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.95                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.95                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.95                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.95                 zip_derived_cl1255])).
% 23.07/3.95  thf(zip_derived_cl1359, plain,
% 23.07/3.95      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.95         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.95          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.95           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.96  thf(zip_derived_cl1420, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.96          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.96  thf(zip_derived_cl1479, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i]:
% 23.07/3.96          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420])).
% 23.07/3.96  thf(zip_derived_cl1547, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i]:
% 23.07/3.96          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.96  thf(zip_derived_cl1649, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.96          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.96           X16)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.96  thf(zip_derived_cl1732, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.96          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649])).
% 23.07/3.96  thf(zip_derived_cl1802, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.96          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17 @ X18)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.96  thf(clause479, conjecture,
% 23.07/3.96    (~( ( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 ) | 
% 23.07/3.96        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.96        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 ) ) | 
% 23.07/3.96        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 ) ) | 
% 23.07/3.96        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.96        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 ) ) ))).
% 23.07/3.96  thf(zf_stmt_22, negated_conjecture,
% 23.07/3.96    (( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96       X10 @ X11 @ X12 @ X13 @ X14 ) | 
% 23.07/3.96     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 ) ) | 
% 23.07/3.96     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 ) ) | 
% 23.07/3.96     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 ) ) | 
% 23.07/3.96     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 ) )),
% 23.07/3.96    inference('cnf.neg', [status(esa)], [clause479])).
% 23.07/3.96  thf(zip_derived_cl489, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96         ( (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96            X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96            X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.96          | ~ (ssNder1_0)
% 23.07/3.96          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.96          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.96          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.96          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.96          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.96          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.96          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.96          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96               X7)
% 23.07/3.96          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8)
% 23.07/3.96          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8 @ X9)
% 23.07/3.96          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.96          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.96          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.96          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18))),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_22])).
% 23.07/3.96  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.96  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.96      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.96  thf(zip_derived_cl974, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.96  thf(zip_derived_cl979, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974])).
% 23.07/3.96  thf(zip_derived_cl998, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.96          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.96  thf(zip_derived_cl1024, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.96          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.96  thf(zip_derived_cl1046, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.96          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024])).
% 23.07/3.96  thf(zip_derived_cl1074, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.96          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.96  thf(zip_derived_cl1113, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.96          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.96  thf(zip_derived_cl1150, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i]:
% 23.07/3.96          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113])).
% 23.07/3.96  thf(zip_derived_cl1203, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.96          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8 @ X9)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.96  thf(zip_derived_cl1255, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.96          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.96  thf(zip_derived_cl1305, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.96          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255])).
% 23.07/3.96  thf(zip_derived_cl1359, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.96          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.96  thf(zip_derived_cl1420, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.96          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.96  thf(zip_derived_cl1479, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i]:
% 23.07/3.96          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420])).
% 23.07/3.96  thf(zip_derived_cl1547, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i]:
% 23.07/3.96          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.96  thf(zip_derived_cl1649, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.96          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.96           X16)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.96  thf(zip_derived_cl1732, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.96          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649])).
% 23.07/3.96  thf(zip_derived_cl1802, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.96          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17 @ X18)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.96  thf(zip_derived_cl1871, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.96  thf(zip_derived_cl1959, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.96         ( (ssPv26_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96            X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96            X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.96          | ~ (ssPv26_3r1r1r1 @ X0 @ X1 @ X2))),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl434, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.96                 zip_derived_cl1871])).
% 23.07/3.96  thf(clause545, conjecture,
% 23.07/3.96    (~( ( ssPv21_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) | 
% 23.07/3.96        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.96        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96        ( ~( ssPv21_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 ) ) | 
% 23.07/3.96        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 ) ) | 
% 23.07/3.96        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.96        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.96        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) ))).
% 23.07/3.96  thf(zf_stmt_23, negated_conjecture,
% 23.07/3.96    (( ssPv21_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96       X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) | 
% 23.07/3.96     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96     ( ~( ssPv21_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 ) ) | 
% 23.07/3.96     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 ) ) | 
% 23.07/3.96     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 ) ) | 
% 23.07/3.96     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.96     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 ) )),
% 23.07/3.96    inference('cnf.neg', [status(esa)], [clause545])).
% 23.07/3.96  thf(zip_derived_cl423, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.96         ( (ssPv21_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96            X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96            X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.96          | ~ (ssNder1_0)
% 23.07/3.96          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.96          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.96          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.96          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.96          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.96          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.96          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.96          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96               X7)
% 23.07/3.96          | ~ (ssPv21_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)
% 23.07/3.96          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8)
% 23.07/3.96          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8 @ X9)
% 23.07/3.96          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.96          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.96          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.96          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19))),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_23])).
% 23.07/3.96  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.96  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.96      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.96  thf(zip_derived_cl974, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.96  thf(zip_derived_cl979, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974])).
% 23.07/3.96  thf(zip_derived_cl998, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.96          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.96  thf(zip_derived_cl1024, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.96          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.96  thf(zip_derived_cl1046, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.96          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024])).
% 23.07/3.96  thf(zip_derived_cl1074, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.96          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.96  thf(zip_derived_cl1113, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.96          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.96  thf(zip_derived_cl1150, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i]:
% 23.07/3.96          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113])).
% 23.07/3.96  thf(zip_derived_cl1203, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.96          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8 @ X9)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.96  thf(zip_derived_cl1255, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.96          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.96  thf(zip_derived_cl1305, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.96          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255])).
% 23.07/3.96  thf(zip_derived_cl1359, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.96          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.96  thf(zip_derived_cl1420, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.96          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.96  thf(zip_derived_cl1479, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i]:
% 23.07/3.96          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420])).
% 23.07/3.96  thf(zip_derived_cl1547, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i]:
% 23.07/3.96          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.96  thf(zip_derived_cl1649, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.96          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.96           X16)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.96  thf(zip_derived_cl1732, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.96          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649])).
% 23.07/3.96  thf(zip_derived_cl1802, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.96          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17 @ X18)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.96  thf(zip_derived_cl1871, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.96  thf(zip_derived_cl1973, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.96         ( (ssPv21_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96            X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96            X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.96          | ~ (ssPv21_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7))),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl423, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.96                 zip_derived_cl1871])).
% 23.07/3.96  thf(clause664, conjecture,
% 23.07/3.96    (~( ( ssPv17_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) | 
% 23.07/3.96        ( ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) | 
% 23.07/3.96        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.96        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 ) ) | 
% 23.07/3.96        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 ) ) | 
% 23.07/3.96        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.96        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.96        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.96        ( ~( ssPv26_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.96        ( ~( ssPv21_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) ))).
% 23.07/3.96  thf(zf_stmt_24, negated_conjecture,
% 23.07/3.96    (( ssPv17_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96       X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) | 
% 23.07/3.96     ( ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96       X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) | 
% 23.07/3.96     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 ) ) | 
% 23.07/3.96     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 ) ) | 
% 23.07/3.96     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 ) ) | 
% 23.07/3.96     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.96     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.96     ( ~( ssPv26_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.96     ( ~( ssPv21_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) )),
% 23.07/3.96    inference('cnf.neg', [status(esa)], [clause664])).
% 23.07/3.96  thf(zip_derived_cl304, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.96         ( (ssPv17_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96            X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96            X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.96          |  (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96              X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96              X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.96          | ~ (ssNder1_0)
% 23.07/3.96          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.96          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.96          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.96          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.96          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.96          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.96          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.96          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96               X7)
% 23.07/3.96          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8)
% 23.07/3.96          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8 @ X9)
% 23.07/3.96          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.96          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.96          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.96          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.96          | ~ (ssPv26_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.96          | ~ (ssPv21_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20))),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_24])).
% 23.07/3.96  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.96  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.96      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.96  thf(zip_derived_cl974, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.96  thf(zip_derived_cl979, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974])).
% 23.07/3.96  thf(zip_derived_cl998, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.96          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.96  thf(zip_derived_cl1024, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.96          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.96  thf(zip_derived_cl1046, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.96          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024])).
% 23.07/3.96  thf(zip_derived_cl1074, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.96          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.96  thf(zip_derived_cl1113, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.96          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.96  thf(zip_derived_cl1150, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i]:
% 23.07/3.96          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113])).
% 23.07/3.96  thf(zip_derived_cl1203, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.96          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8 @ X9)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.96  thf(zip_derived_cl1255, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.96          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.96  thf(zip_derived_cl1305, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.96          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255])).
% 23.07/3.96  thf(zip_derived_cl1359, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.96          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.96  thf(zip_derived_cl1420, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.96          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.96  thf(zip_derived_cl1479, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i]:
% 23.07/3.96          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420])).
% 23.07/3.96  thf(zip_derived_cl1547, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i]:
% 23.07/3.96          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.96  thf(zip_derived_cl1649, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.96          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.96           X16)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.96  thf(zip_derived_cl1732, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.96          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649])).
% 23.07/3.96  thf(zip_derived_cl1802, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.96          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17 @ X18)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.96  thf(zip_derived_cl1871, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.96  thf(zip_derived_cl2114, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.96         ( (ssPv17_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96            X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96            X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.96          |  (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96              X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96              X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.96          | ~ (ssPv26_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.96          | ~ (ssPv21_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20))),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl304, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.96                 zip_derived_cl1871])).
% 23.07/3.96  thf(clause552, conjecture,
% 23.07/3.96    (~( ( ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) | 
% 23.07/3.96        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.96        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 ) ) | 
% 23.07/3.96        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 ) ) | 
% 23.07/3.96        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.96        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.96        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.96        ( ~( ssPv17_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) ))).
% 23.07/3.96  thf(zf_stmt_25, negated_conjecture,
% 23.07/3.96    (( ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) | 
% 23.07/3.96     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 ) ) | 
% 23.07/3.96     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 ) ) | 
% 23.07/3.96     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 ) ) | 
% 23.07/3.96     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.96     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.96     ( ~( ssPv17_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) )),
% 23.07/3.96    inference('cnf.neg', [status(esa)], [clause552])).
% 23.07/3.96  thf(zip_derived_cl416, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.96         ( (ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96            X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssNder1_0)
% 23.07/3.96          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.96          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.96          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.96          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.96          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.96          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.96          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.96          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96               X7)
% 23.07/3.96          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8)
% 23.07/3.96          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8 @ X9)
% 23.07/3.96          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.96          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.96          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.96          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.96          | ~ (ssPv17_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20))),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_25])).
% 23.07/3.96  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.96  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.96      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.96  thf(zip_derived_cl974, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.96  thf(zip_derived_cl979, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974])).
% 23.07/3.96  thf(zip_derived_cl998, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.96          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.96  thf(zip_derived_cl1024, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.96          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.96  thf(zip_derived_cl1046, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.96          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024])).
% 23.07/3.96  thf(zip_derived_cl1074, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.96          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.96  thf(zip_derived_cl1113, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.96          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.96  thf(zip_derived_cl1150, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i]:
% 23.07/3.96          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113])).
% 23.07/3.96  thf(zip_derived_cl1203, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.96          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8 @ X9)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.96  thf(zip_derived_cl1255, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.96          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.96  thf(zip_derived_cl1305, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.96          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255])).
% 23.07/3.96  thf(zip_derived_cl1359, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.96          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.96  thf(zip_derived_cl1420, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.96          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.96  thf(zip_derived_cl1479, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i]:
% 23.07/3.96          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420])).
% 23.07/3.96  thf(zip_derived_cl1547, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i]:
% 23.07/3.96          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.96  thf(zip_derived_cl1649, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.96          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.96           X16)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.96  thf(zip_derived_cl1732, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.96          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649])).
% 23.07/3.96  thf(zip_derived_cl1802, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.96          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17 @ X18)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.96  thf(zip_derived_cl1871, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.96  thf(zip_derived_cl1958, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.96         ( (ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96            X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssPv17_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20))),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl416, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.96                 zip_derived_cl1871])).
% 23.07/3.96  thf(zip_derived_cl2115, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.96         (~ (ssPv21_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X20 @ X19 @ 
% 23.07/3.96             X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ 
% 23.07/3.96             X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.96          | ~ (ssPv26_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X20 @ 
% 23.07/3.96               X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ 
% 23.07/3.96               X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.96          |  (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X20 @ X19 @ 
% 23.07/3.96              X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ 
% 23.07/3.96              X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.96          |  (ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X20 @ X19 @ X18 @ X17 @ 
% 23.07/3.96              X16 @ X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9))),
% 23.07/3.96      inference('sup-', [status(thm)], [zip_derived_cl2114, zip_derived_cl1958])).
% 23.07/3.96  thf(zip_derived_cl2116, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.96         (~ (ssPv21_8r1r1r1r1r1r1r1r1 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ 
% 23.07/3.96             X14 @ X13)
% 23.07/3.96          |  (ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X20 @ X19 @ X18 @ X17 @ 
% 23.07/3.96              X16 @ X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9)
% 23.07/3.96          |  (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X20 @ X19 @ 
% 23.07/3.96              X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ 
% 23.07/3.96              X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.96          | ~ (ssPv26_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X20 @ 
% 23.07/3.96               X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ 
% 23.07/3.96               X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0))),
% 23.07/3.96      inference('sup-', [status(thm)], [zip_derived_cl1973, zip_derived_cl2115])).
% 23.07/3.96  thf(zip_derived_cl2117, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.96         (~ (ssPv26_3r1r1r1 @ X20 @ X19 @ X18)
% 23.07/3.96          |  (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X20 @ X19 @ 
% 23.07/3.96              X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ 
% 23.07/3.96              X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.96          |  (ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X20 @ X19 @ X18 @ X17 @ 
% 23.07/3.96              X16 @ X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9)
% 23.07/3.96          | ~ (ssPv21_8r1r1r1r1r1r1r1r1 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ 
% 23.07/3.96               X14 @ X13))),
% 23.07/3.96      inference('sup-', [status(thm)], [zip_derived_cl1959, zip_derived_cl2116])).
% 23.07/3.96  thf(clause481, conjecture,
% 23.07/3.96    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.96        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 ) ) | 
% 23.07/3.96        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 ) ) | 
% 23.07/3.96        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.96        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.96        ( ~( ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ skc31 ) ) ))).
% 23.07/3.96  thf(zf_stmt_26, negated_conjecture,
% 23.07/3.96    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 ) ) | 
% 23.07/3.96     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 ) ) | 
% 23.07/3.96     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 ) ) | 
% 23.07/3.96     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.96     ( ~( ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ skc31 ) )),
% 23.07/3.96    inference('cnf.neg', [status(esa)], [clause481])).
% 23.07/3.96  thf(zip_derived_cl487, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96         (~ (ssNder1_0)
% 23.07/3.96          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.96          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.96          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.96          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.96          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.96          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.96          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.96          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96               X7)
% 23.07/3.96          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8)
% 23.07/3.96          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8 @ X9)
% 23.07/3.96          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.96          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.96          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.96          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ skc31))),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_26])).
% 23.07/3.96  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.96  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.96      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.96  thf(zip_derived_cl974, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.96  thf(zip_derived_cl979, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974])).
% 23.07/3.96  thf(zip_derived_cl998, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.96          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.96  thf(zip_derived_cl1024, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.96          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.96  thf(zip_derived_cl1046, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.96          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024])).
% 23.07/3.96  thf(zip_derived_cl1074, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.96          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.96  thf(zip_derived_cl1113, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.96          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.96  thf(zip_derived_cl1150, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i]:
% 23.07/3.96          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113])).
% 23.07/3.96  thf(zip_derived_cl1192, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96         (~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96             X6 @ X7 @ X8 @ X9)
% 23.07/3.96          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.96          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.96          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.96          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ skc31))),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl487, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.96  thf(zip_derived_cl1203, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.96          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8 @ X9)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.96  thf(zip_derived_cl1212, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96         (~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96             X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.96          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.96          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.96          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ skc31))),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl1192, zip_derived_cl1203])).
% 23.07/3.96  thf(zip_derived_cl1255, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.96          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.96  thf(zip_derived_cl1263, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96         (~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96             X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.96          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.96          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ skc31))),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl1212, zip_derived_cl1255])).
% 23.07/3.96  thf(zip_derived_cl1305, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.96          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255])).
% 23.07/3.96  thf(zip_derived_cl1310, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96         (~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96             X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.96          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.96          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ skc31))),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl1263, zip_derived_cl1305])).
% 23.07/3.96  thf(zip_derived_cl1359, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.96          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.96  thf(zip_derived_cl1363, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96         (~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96             X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.96          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ skc31))),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl1310, zip_derived_cl1359])).
% 23.07/3.96  thf(zip_derived_cl1420, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.96          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.96  thf(zip_derived_cl1423, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96         (~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96             X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ skc31))),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl1363, zip_derived_cl1420])).
% 23.07/3.96  thf(zip_derived_cl1479, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i]:
% 23.07/3.96          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420])).
% 23.07/3.96  thf(zip_derived_cl1481, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96         (~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96             X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ skc31))),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl1423, zip_derived_cl1479])).
% 23.07/3.96  thf(zip_derived_cl1547, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i]:
% 23.07/3.96          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.96  thf(zip_derived_cl1548, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96         (~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96             X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96             X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ skc31))),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl1481, zip_derived_cl1547])).
% 23.07/3.96  thf(zip_derived_cl1649, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.96          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.96           X16)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.96  thf(zip_derived_cl1650, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96         (~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96             X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96             X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ skc31))),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl1548, zip_derived_cl1649])).
% 23.07/3.96  thf(zip_derived_cl1732, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.96          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649])).
% 23.07/3.96  thf(zip_derived_cl1733, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96         (~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96             X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96             X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ skc31))),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl1650, zip_derived_cl1732])).
% 23.07/3.96  thf(zip_derived_cl1802, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.96          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17 @ X18)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.96  thf(zip_derived_cl1803, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96         ~ (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96            X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96            X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ skc31)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl1733, zip_derived_cl1802])).
% 23.07/3.96  thf(zip_derived_cl2118, plain,
% 23.07/3.96      (![X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, X14 : $i, 
% 23.07/3.96         X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96         (~ (ssPv21_8r1r1r1r1r1r1r1r1 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ 
% 23.07/3.96             X13 @ X12)
% 23.07/3.96          |  (ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X19 @ X18 @ X17 @ X16 @ 
% 23.07/3.96              X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8)
% 23.07/3.96          | ~ (ssPv26_3r1r1r1 @ X19 @ X18 @ X17))),
% 23.07/3.96      inference('sup-', [status(thm)], [zip_derived_cl2117, zip_derived_cl1803])).
% 23.07/3.96  thf(clause22, conjecture,
% 23.07/3.96    (~( ( ssPv24_5r1r1r1r1r1 @ U @ V @ W @ X @ skc46 ) | ( ~( ssNder1_0 ) ) | 
% 23.07/3.96        ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.96        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) ))).
% 23.07/3.96  thf(zf_stmt_27, negated_conjecture,
% 23.07/3.96    (( ssPv24_5r1r1r1r1r1 @ U @ V @ W @ X @ skc46 ) | ( ~( ssNder1_0 ) ) | 
% 23.07/3.96     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.96     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) )),
% 23.07/3.96    inference('cnf.neg', [status(esa)], [clause22])).
% 23.07/3.96  thf(zip_derived_cl946, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.96         ( (ssPv24_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ skc46)
% 23.07/3.96          | ~ (ssNder1_0)
% 23.07/3.96          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.96          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.96          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2))),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_27])).
% 23.07/3.96  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.96  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.96      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.96  thf(zip_derived_cl974, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.96  thf(zip_derived_cl979, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974])).
% 23.07/3.96  thf(zip_derived_cl1010, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.96          (ssPv24_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ skc46)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl946, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.96  thf(clause288, conjecture,
% 23.07/3.96    (~( ( ssPv13_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          skc32 ) | 
% 23.07/3.96        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.96        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) ))).
% 23.07/3.96  thf(zf_stmt_28, negated_conjecture,
% 23.07/3.96    (( ssPv13_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96       skc32 ) | 
% 23.07/3.96     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) )),
% 23.07/3.96    inference('cnf.neg', [status(esa)], [clause288])).
% 23.07/3.96  thf(zip_derived_cl680, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i]:
% 23.07/3.96         ( (ssPv13_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96            X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ skc32)
% 23.07/3.96          | ~ (ssNder1_0)
% 23.07/3.96          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.96          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.96          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.96          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.96          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.96          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.96          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.96          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96               X7)
% 23.07/3.96          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8)
% 23.07/3.96          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8 @ X9)
% 23.07/3.96          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.96          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.96          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_28])).
% 23.07/3.96  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.96  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.96      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.96  thf(zip_derived_cl974, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.96  thf(zip_derived_cl979, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974])).
% 23.07/3.96  thf(zip_derived_cl998, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.96          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.96  thf(zip_derived_cl1024, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.96          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.96  thf(zip_derived_cl1046, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.96          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024])).
% 23.07/3.96  thf(zip_derived_cl1074, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.96          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.96  thf(zip_derived_cl1113, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.96          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.96  thf(zip_derived_cl1150, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i]:
% 23.07/3.96          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113])).
% 23.07/3.96  thf(zip_derived_cl1203, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.96          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8 @ X9)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.96  thf(zip_derived_cl1255, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.96          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.96  thf(zip_derived_cl1305, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.96          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255])).
% 23.07/3.96  thf(zip_derived_cl1359, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.96          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.96  thf(zip_derived_cl1420, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.96          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.96  thf(zip_derived_cl1492, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i]:
% 23.07/3.96          (ssPv13_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ skc32)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl680, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420])).
% 23.07/3.96  thf(clause407, conjecture,
% 23.07/3.96    (~( ( ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 ) | 
% 23.07/3.96        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.96        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96        ( ~( ssPv24_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 ) ) | 
% 23.07/3.96        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 ) ) ))).
% 23.07/3.96  thf(zf_stmt_29, negated_conjecture,
% 23.07/3.96    (( ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96       X10 @ X11 @ X12 ) | 
% 23.07/3.96     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96     ( ~( ssPv24_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 ) ) | 
% 23.07/3.96     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 ) )),
% 23.07/3.96    inference('cnf.neg', [status(esa)], [clause407])).
% 23.07/3.96  thf(zip_derived_cl561, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.96         ( (ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96            X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96            X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_0)
% 23.07/3.96          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.96          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.96          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.96          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.96          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.96          | ~ (ssPv24_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.96          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.96          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.96          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96               X7)
% 23.07/3.96          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8)
% 23.07/3.96          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8 @ X9)
% 23.07/3.96          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.96          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.96          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.96          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16))),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_29])).
% 23.07/3.96  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.96  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.96      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.96  thf(zip_derived_cl974, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.96  thf(zip_derived_cl979, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974])).
% 23.07/3.96  thf(zip_derived_cl998, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.96          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.96  thf(zip_derived_cl1024, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.96          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.96  thf(zip_derived_cl1046, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.96          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024])).
% 23.07/3.96  thf(zip_derived_cl1074, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.96          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.96  thf(zip_derived_cl1113, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.96          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.96  thf(zip_derived_cl1150, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i]:
% 23.07/3.96          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113])).
% 23.07/3.96  thf(zip_derived_cl1203, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.96          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8 @ X9)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.96  thf(zip_derived_cl1255, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.96          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.96  thf(zip_derived_cl1305, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.96          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255])).
% 23.07/3.96  thf(zip_derived_cl1359, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.96          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.96  thf(zip_derived_cl1420, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.96          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.96  thf(zip_derived_cl1479, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i]:
% 23.07/3.96          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420])).
% 23.07/3.96  thf(zip_derived_cl1547, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i]:
% 23.07/3.96          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.96  thf(zip_derived_cl1649, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.96          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.96           X16)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.96  thf(zip_derived_cl1759, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.96         ( (ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96            X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96            X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssPv24_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4))),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl561, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649])).
% 23.07/3.96  thf(clause436, conjecture,
% 23.07/3.96    (~( ( ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 ) | 
% 23.07/3.96        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.96        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 ) ) | 
% 23.07/3.96        ( ~( ssPv13_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 ) ) | 
% 23.07/3.96        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 ) ) ))).
% 23.07/3.96  thf(zf_stmt_30, negated_conjecture,
% 23.07/3.96    (( ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96       X10 @ X11 @ X12 ) | 
% 23.07/3.96     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 ) ) | 
% 23.07/3.96     ( ~( ssPv13_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 ) ) | 
% 23.07/3.96     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 ) )),
% 23.07/3.96    inference('cnf.neg', [status(esa)], [clause436])).
% 23.07/3.96  thf(zip_derived_cl532, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.96         ( (ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96            X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96            X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_0)
% 23.07/3.96          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.96          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.96          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.96          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.96          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.96          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.96          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.96          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96               X7)
% 23.07/3.96          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8)
% 23.07/3.96          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8 @ X9)
% 23.07/3.96          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.96          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.96          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.96          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssPv13_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16))),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_30])).
% 23.07/3.96  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.96  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.96      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.96  thf(zip_derived_cl974, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.96  thf(zip_derived_cl979, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974])).
% 23.07/3.96  thf(zip_derived_cl998, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.96          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.96  thf(zip_derived_cl1024, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.96          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.96  thf(zip_derived_cl1046, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.96          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024])).
% 23.07/3.96  thf(zip_derived_cl1074, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.96          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.96  thf(zip_derived_cl1113, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.96          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.96  thf(zip_derived_cl1150, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i]:
% 23.07/3.96          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113])).
% 23.07/3.96  thf(zip_derived_cl1203, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.96          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8 @ X9)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.96  thf(zip_derived_cl1255, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.96          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.96  thf(zip_derived_cl1305, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.96          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255])).
% 23.07/3.96  thf(zip_derived_cl1359, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.96          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.96  thf(zip_derived_cl1420, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.96          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.96  thf(zip_derived_cl1479, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i]:
% 23.07/3.96          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420])).
% 23.07/3.96  thf(zip_derived_cl1547, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i]:
% 23.07/3.96          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.96  thf(zip_derived_cl1649, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.96          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.96           X16)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.96  thf(zip_derived_cl1796, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.96         ( (ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96            X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96            X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssPv13_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15))),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl532, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649])).
% 23.07/3.96  thf(clause819, conjecture,
% 23.07/3.96    (~( ( ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) | 
% 23.07/3.96        ( ssPv11_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) | 
% 23.07/3.96        ( ssPv8_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) | 
% 23.07/3.96        ( ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) | 
% 23.07/3.96        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.96        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 ) ) | 
% 23.07/3.96        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 ) ) | 
% 23.07/3.96        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.96        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.96        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.96        ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.96        ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.96        ( ~( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) ) ))).
% 23.07/3.96  thf(zf_stmt_31, negated_conjecture,
% 23.07/3.96    (( ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96       X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) | 
% 23.07/3.96     ( ssPv11_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96       X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) | 
% 23.07/3.96     ( ssPv8_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96       X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) | 
% 23.07/3.96     ( ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96       X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) | 
% 23.07/3.96     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 ) ) | 
% 23.07/3.96     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 ) ) | 
% 23.07/3.96     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 ) ) | 
% 23.07/3.96     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.96     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.96     ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.96     ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.96     ( ~( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) )),
% 23.07/3.96    inference('cnf.neg', [status(esa)], [clause819])).
% 23.07/3.96  thf(zip_derived_cl149, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.96         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.96         ( (ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.96            X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.96            X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23)
% 23.07/3.96          |  (ssPv11_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.96              X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.96              X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23)
% 23.07/3.96          |  (ssPv8_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.96              X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.96              X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23)
% 23.07/3.96          |  (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.96              X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.96              X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23)
% 23.07/3.96          | ~ (ssNder1_0)
% 23.07/3.96          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.96          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.96          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.96          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.96          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.96          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.96          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.96          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96               X7)
% 23.07/3.96          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8)
% 23.07/3.96          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8 @ X9)
% 23.07/3.96          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.96          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.96          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.96          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.96          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.96               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.96               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.96          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.96               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.96               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.96          | ~ (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.96               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.96               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22))),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_31])).
% 23.07/3.96  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.96  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.96      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.96  thf(zip_derived_cl974, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.96  thf(zip_derived_cl979, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974])).
% 23.07/3.96  thf(zip_derived_cl998, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.96          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.96  thf(zip_derived_cl1024, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.96          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.96  thf(zip_derived_cl1046, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.96          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024])).
% 23.07/3.96  thf(zip_derived_cl1074, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.96          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.96  thf(zip_derived_cl1113, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.96          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.96  thf(zip_derived_cl1150, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i]:
% 23.07/3.96          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113])).
% 23.07/3.96  thf(zip_derived_cl1203, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.96          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8 @ X9)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.96  thf(zip_derived_cl1255, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.96          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.96  thf(zip_derived_cl1305, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.96          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255])).
% 23.07/3.96  thf(zip_derived_cl1359, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.96          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.96  thf(zip_derived_cl1420, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.96          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.96  thf(zip_derived_cl1479, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i]:
% 23.07/3.96          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420])).
% 23.07/3.96  thf(zip_derived_cl1547, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i]:
% 23.07/3.96          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.96  thf(zip_derived_cl1649, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.96          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.96           X16)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.96  thf(zip_derived_cl1732, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.96          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649])).
% 23.07/3.96  thf(zip_derived_cl1802, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.96          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17 @ X18)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.96  thf(zip_derived_cl1871, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.96  thf(clause527, conjecture,
% 23.07/3.96    (~( ( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) | 
% 23.07/3.96        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.96        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 ) ) | 
% 23.07/3.96        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 ) ) | 
% 23.07/3.96        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.96        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.96        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) ))).
% 23.07/3.96  thf(zf_stmt_32, negated_conjecture,
% 23.07/3.96    (( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96       X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) | 
% 23.07/3.96     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 ) ) | 
% 23.07/3.96     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 ) ) | 
% 23.07/3.96     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 ) ) | 
% 23.07/3.96     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.96     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 ) )),
% 23.07/3.96    inference('cnf.neg', [status(esa)], [clause527])).
% 23.07/3.96  thf(zip_derived_cl441, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.96         ( (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96            X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96            X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.96          | ~ (ssNder1_0)
% 23.07/3.96          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.96          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.96          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.96          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.96          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.96          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.96          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.96          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96               X7)
% 23.07/3.96          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8)
% 23.07/3.96          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8 @ X9)
% 23.07/3.96          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.96          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.96          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.96          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19))),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_32])).
% 23.07/3.96  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.96  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.96      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.96  thf(zip_derived_cl974, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.96  thf(zip_derived_cl979, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974])).
% 23.07/3.96  thf(zip_derived_cl998, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.96          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.96  thf(zip_derived_cl1024, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.96          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.96  thf(zip_derived_cl1046, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.96          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024])).
% 23.07/3.96  thf(zip_derived_cl1074, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.96          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.96  thf(zip_derived_cl1113, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.96          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.96  thf(zip_derived_cl1150, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i]:
% 23.07/3.96          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113])).
% 23.07/3.96  thf(zip_derived_cl1203, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.96          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8 @ X9)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.96  thf(zip_derived_cl1255, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.96          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.96  thf(zip_derived_cl1305, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.96          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255])).
% 23.07/3.96  thf(zip_derived_cl1359, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.96          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.96  thf(zip_derived_cl1420, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.96          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.96  thf(zip_derived_cl1479, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i]:
% 23.07/3.96          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420])).
% 23.07/3.96  thf(zip_derived_cl1547, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i]:
% 23.07/3.96          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.96  thf(zip_derived_cl1649, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.96          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.96           X16)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.96  thf(zip_derived_cl1732, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.96          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649])).
% 23.07/3.96  thf(zip_derived_cl1802, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.96          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17 @ X18)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.96  thf(zip_derived_cl1871, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.96  thf(zip_derived_cl1943, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.96          (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl441, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.96                 zip_derived_cl1871])).
% 23.07/3.96  thf(clause574, conjecture,
% 23.07/3.96    (~( ( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) | 
% 23.07/3.96        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.96        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 ) ) | 
% 23.07/3.96        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 ) ) | 
% 23.07/3.96        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.96        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.96        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.96        ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) ))).
% 23.07/3.96  thf(zf_stmt_33, negated_conjecture,
% 23.07/3.96    (( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96       X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) | 
% 23.07/3.96     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 ) ) | 
% 23.07/3.96     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 ) ) | 
% 23.07/3.96     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 ) ) | 
% 23.07/3.96     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.96     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.96     ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) )),
% 23.07/3.96    inference('cnf.neg', [status(esa)], [clause574])).
% 23.07/3.96  thf(zip_derived_cl394, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.96         X21 : $i]:
% 23.07/3.96         ( (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96            X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96            X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.96          | ~ (ssNder1_0)
% 23.07/3.96          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.96          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.96          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.96          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.96          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.96          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.96          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.96          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96               X7)
% 23.07/3.96          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8)
% 23.07/3.96          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8 @ X9)
% 23.07/3.96          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.96          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.96          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.96          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.96          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.96               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.96               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20))),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_33])).
% 23.07/3.96  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.96  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.96      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.96  thf(zip_derived_cl974, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.96  thf(zip_derived_cl979, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974])).
% 23.07/3.96  thf(zip_derived_cl998, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.96          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.96  thf(zip_derived_cl1024, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.96          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.96  thf(zip_derived_cl1046, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.96          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024])).
% 23.07/3.96  thf(zip_derived_cl1074, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.96          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.96  thf(zip_derived_cl1113, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.96          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.96  thf(zip_derived_cl1150, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i]:
% 23.07/3.96          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113])).
% 23.07/3.96  thf(zip_derived_cl1203, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.96          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8 @ X9)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.96  thf(zip_derived_cl1255, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.96          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.96  thf(zip_derived_cl1305, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.96          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255])).
% 23.07/3.96  thf(zip_derived_cl1359, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.96          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.96  thf(zip_derived_cl1420, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.96          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.96  thf(zip_derived_cl1479, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i]:
% 23.07/3.96          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420])).
% 23.07/3.96  thf(zip_derived_cl1547, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i]:
% 23.07/3.96          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.96  thf(zip_derived_cl1649, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.96          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.96           X16)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.96  thf(zip_derived_cl1732, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.96          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649])).
% 23.07/3.96  thf(zip_derived_cl1802, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.96          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17 @ X18)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.96  thf(zip_derived_cl1871, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.96          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.96  thf(zip_derived_cl1943, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.96          (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl441, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.96                 zip_derived_cl1871])).
% 23.07/3.96  thf(zip_derived_cl2015, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.96         X21 : $i]:
% 23.07/3.96          (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl394, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.96                 zip_derived_cl1871, zip_derived_cl1943])).
% 23.07/3.96  thf(clause622, conjecture,
% 23.07/3.96    (~( ( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) | 
% 23.07/3.96        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.96        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 ) ) | 
% 23.07/3.96        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 ) ) | 
% 23.07/3.96        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.96        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.96        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.96        ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.96        ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.96             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) ))).
% 23.07/3.96  thf(zf_stmt_34, negated_conjecture,
% 23.07/3.96    (( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96       X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) | 
% 23.07/3.96     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.96     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.96     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.96     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.96     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.96     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.96     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.96     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.96     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.96     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.96     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.96     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.96     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.96     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.96     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 ) ) | 
% 23.07/3.96     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 ) ) | 
% 23.07/3.96     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 ) ) | 
% 23.07/3.96     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.96     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.96     ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.96     ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.96          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.96          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) )),
% 23.07/3.96    inference('cnf.neg', [status(esa)], [clause622])).
% 23.07/3.96  thf(zip_derived_cl346, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.96         X21 : $i, X22 : $i]:
% 23.07/3.96         ( (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.96            X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.96            X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22)
% 23.07/3.96          | ~ (ssNder1_0)
% 23.07/3.96          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.96          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.96          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.96          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.96          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.96          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.96          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.96          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96               X7)
% 23.07/3.96          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8)
% 23.07/3.96          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96               X6 @ X7 @ X8 @ X9)
% 23.07/3.96          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.96          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.96          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.96          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.96          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.96          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15)
% 23.07/3.96          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16)
% 23.07/3.96          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17)
% 23.07/3.96          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.96          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.96               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.96               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.96          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.96               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.96               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.96          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.96               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.96               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21))),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_34])).
% 23.07/3.96  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.96      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.96  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.96      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.96  thf(zip_derived_cl974, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.96  thf(zip_derived_cl979, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974])).
% 23.07/3.96  thf(zip_derived_cl998, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.96          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.96  thf(zip_derived_cl1024, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.96          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.96  thf(zip_derived_cl1046, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.96          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024])).
% 23.07/3.96  thf(zip_derived_cl1074, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.96          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.96  thf(zip_derived_cl1113, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.96          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.96  thf(zip_derived_cl1150, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i]:
% 23.07/3.96          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113])).
% 23.07/3.96  thf(zip_derived_cl1203, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.96          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.96           X7 @ X8 @ X9)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.96  thf(zip_derived_cl1255, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.96          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.96  thf(zip_derived_cl1305, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.96          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.96           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255])).
% 23.07/3.96  thf(zip_derived_cl1359, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.96          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.96  thf(zip_derived_cl1420, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.96          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.96  thf(zip_derived_cl1479, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i]:
% 23.07/3.96          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.96           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420])).
% 23.07/3.96  thf(zip_derived_cl1547, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i]:
% 23.07/3.96          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.96  thf(zip_derived_cl1649, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.96          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.96           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.96           X16)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.96  thf(zip_derived_cl1732, plain,
% 23.07/3.96      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.96         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.96         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.96          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.96           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.96           X15 @ X16 @ X17)),
% 23.07/3.96      inference('demod', [status(thm)],
% 23.07/3.96                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.96                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.96                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.96                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.96                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.96                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.96                 zip_derived_cl1649])).
% 23.07/3.98  thf(zip_derived_cl1802, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.98          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17 @ X18)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.98  thf(zip_derived_cl1871, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.98          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.98  thf(zip_derived_cl1943, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.98          (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl441, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871])).
% 23.07/3.98  thf(zip_derived_cl2015, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i]:
% 23.07/3.98          (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl394, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943])).
% 23.07/3.98  thf(zip_derived_cl2085, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98          (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98           X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98           X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl346, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943, zip_derived_cl2015])).
% 23.07/3.98  thf(zip_derived_cl2351, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.98         ( (ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98            X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98            X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23)
% 23.07/3.98          |  (ssPv11_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98              X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98              X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23)
% 23.07/3.98          |  (ssPv8_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98              X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98              X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23)
% 23.07/3.98          |  (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98              X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98              X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl149, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943, zip_derived_cl2015, 
% 23.07/3.98                 zip_derived_cl2085])).
% 23.07/3.98  thf(clause724, conjecture,
% 23.07/3.98    (~( ( ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) | 
% 23.07/3.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 ) ) | 
% 23.07/3.98        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 ) ) | 
% 23.07/3.98        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.98        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.98        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.98        ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.98        ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.98        ( ~( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) ) | 
% 23.07/3.98        ( ~( ssPv8_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) ) ))).
% 23.07/3.98  thf(zf_stmt_35, negated_conjecture,
% 23.07/3.98    (( ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98       X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) | 
% 23.07/3.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 ) ) | 
% 23.07/3.98     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 ) ) | 
% 23.07/3.98     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 ) ) | 
% 23.07/3.98     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.98     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.98     ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.98     ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.98     ( ~( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) ) | 
% 23.07/3.98     ( ~( ssPv8_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) )),
% 23.07/3.98    inference('cnf.neg', [status(esa)], [clause724])).
% 23.07/3.98  thf(zip_derived_cl244, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.98         ( (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98            X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98            X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_0)
% 23.07/3.98          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98               X7)
% 23.07/3.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8)
% 23.07/3.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.98          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22)
% 23.07/3.98          | ~ (ssPv8_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23))),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_35])).
% 23.07/3.98  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.98  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.98      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.98  thf(zip_derived_cl974, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.98  thf(zip_derived_cl979, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974])).
% 23.07/3.98  thf(zip_derived_cl998, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.98  thf(zip_derived_cl1024, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.98  thf(zip_derived_cl1046, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024])).
% 23.07/3.98  thf(zip_derived_cl1074, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.98  thf(zip_derived_cl1113, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.98  thf(zip_derived_cl1150, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i]:
% 23.07/3.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113])).
% 23.07/3.98  thf(zip_derived_cl1203, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8 @ X9)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.98  thf(zip_derived_cl1255, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.98  thf(zip_derived_cl1305, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255])).
% 23.07/3.98  thf(zip_derived_cl1359, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.98  thf(zip_derived_cl1420, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.98  thf(zip_derived_cl1479, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i]:
% 23.07/3.98          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420])).
% 23.07/3.98  thf(zip_derived_cl1547, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i]:
% 23.07/3.98          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.98  thf(zip_derived_cl1649, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.98          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.98           X16)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.98  thf(zip_derived_cl1732, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649])).
% 23.07/3.98  thf(zip_derived_cl1802, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.98          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17 @ X18)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.98  thf(zip_derived_cl1871, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.98          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.98  thf(zip_derived_cl1943, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.98          (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl441, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871])).
% 23.07/3.98  thf(zip_derived_cl2015, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i]:
% 23.07/3.98          (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl394, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943])).
% 23.07/3.98  thf(zip_derived_cl2085, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98          (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98           X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98           X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl346, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943, zip_derived_cl2015])).
% 23.07/3.98  thf(zip_derived_cl2291, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.98         ( (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98            X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98            X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssPv8_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl244, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943, zip_derived_cl2015, 
% 23.07/3.98                 zip_derived_cl2085])).
% 23.07/3.98  thf(zip_derived_cl2352, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.98         ( (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X23 @ 
% 23.07/3.98            X22 @ X21 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ 
% 23.07/3.98            X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.98          |  (ssPv11_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ 
% 23.07/3.98              X23 @ X22 @ X21 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ 
% 23.07/3.98              X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ 
% 23.07/3.98              X1 @ X0)
% 23.07/3.98          |  (ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ 
% 23.07/3.98              X23 @ X22 @ X21 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ 
% 23.07/3.98              X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ 
% 23.07/3.98              X1 @ X0)
% 23.07/3.98          |  (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X23 @ X22 @ 
% 23.07/3.98              X21 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ 
% 23.07/3.98              X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3))),
% 23.07/3.98      inference('sup-', [status(thm)], [zip_derived_cl2351, zip_derived_cl2291])).
% 23.07/3.98  thf(clause715, conjecture,
% 23.07/3.98    (~( ( ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 ) | 
% 23.07/3.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 ) ) | 
% 23.07/3.98        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 ) ) | 
% 23.07/3.98        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.98        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.98        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.98        ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.98        ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.98        ( ~( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) ) | 
% 23.07/3.98        ( ~( ssPv11_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) ) ))).
% 23.07/3.98  thf(zf_stmt_36, negated_conjecture,
% 23.07/3.98    (( ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98       X10 @ X11 @ X12 ) | 
% 23.07/3.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 ) ) | 
% 23.07/3.98     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 ) ) | 
% 23.07/3.98     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 ) ) | 
% 23.07/3.98     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.98     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.98     ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.98     ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.98     ( ~( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) ) | 
% 23.07/3.98     ( ~( ssPv11_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) )),
% 23.07/3.98    inference('cnf.neg', [status(esa)], [clause715])).
% 23.07/3.98  thf(zip_derived_cl253, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.98         ( (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98            X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98            X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_0)
% 23.07/3.98          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98               X7)
% 23.07/3.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8)
% 23.07/3.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.98          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22)
% 23.07/3.98          | ~ (ssPv11_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ 
% 23.07/3.98               X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ 
% 23.07/3.98               X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ 
% 23.07/3.98               X22 @ X23))),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_36])).
% 23.07/3.98  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.98  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.98      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.98  thf(zip_derived_cl974, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.98  thf(zip_derived_cl979, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974])).
% 23.07/3.98  thf(zip_derived_cl998, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.98  thf(zip_derived_cl1024, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.98  thf(zip_derived_cl1046, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024])).
% 23.07/3.98  thf(zip_derived_cl1074, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.98  thf(zip_derived_cl1113, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.98  thf(zip_derived_cl1150, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i]:
% 23.07/3.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113])).
% 23.07/3.98  thf(zip_derived_cl1203, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8 @ X9)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.98  thf(zip_derived_cl1255, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.98  thf(zip_derived_cl1305, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255])).
% 23.07/3.98  thf(zip_derived_cl1359, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.98  thf(zip_derived_cl1420, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.98  thf(zip_derived_cl1479, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i]:
% 23.07/3.98          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420])).
% 23.07/3.98  thf(zip_derived_cl1547, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i]:
% 23.07/3.98          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.98  thf(zip_derived_cl1649, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.98          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.98           X16)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.98  thf(zip_derived_cl1732, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649])).
% 23.07/3.98  thf(zip_derived_cl1802, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.98          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17 @ X18)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.98  thf(zip_derived_cl1871, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.98          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.98  thf(zip_derived_cl1943, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.98          (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl441, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871])).
% 23.07/3.98  thf(zip_derived_cl2015, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i]:
% 23.07/3.98          (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl394, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943])).
% 23.07/3.98  thf(zip_derived_cl2085, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98          (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98           X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98           X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl346, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943, zip_derived_cl2015])).
% 23.07/3.98  thf(zip_derived_cl2259, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.98         ( (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98            X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98            X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv11_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ 
% 23.07/3.98               X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ 
% 23.07/3.98               X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ 
% 23.07/3.98               X22 @ X23))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl253, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943, zip_derived_cl2015, 
% 23.07/3.98                 zip_derived_cl2085])).
% 23.07/3.98  thf(zip_derived_cl2353, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.98         ( (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X23 @ X22 @ 
% 23.07/3.98            X21 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ X11 @ 
% 23.07/3.98            X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3)
% 23.07/3.98          |  (ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ 
% 23.07/3.98              X23 @ X22 @ X21 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ 
% 23.07/3.98              X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ 
% 23.07/3.98              X1 @ X0)
% 23.07/3.98          |  (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X23 @ 
% 23.07/3.98              X22 @ X21 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ 
% 23.07/3.98              X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.98          |  (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X23 @ X22 @ 
% 23.07/3.98              X21 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ 
% 23.07/3.98              X11 @ X10 @ X9 @ X8 @ X7 @ X6))),
% 23.07/3.98      inference('sup-', [status(thm)], [zip_derived_cl2352, zip_derived_cl2259])).
% 23.07/3.98  thf(clause682, conjecture,
% 23.07/3.98    (~( ( ssPv26_3r1r1r1 @ U @ V @ W ) | ( ~( ssNder1_0 ) ) | 
% 23.07/3.98        ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 ) ) | 
% 23.07/3.98        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 ) ) | 
% 23.07/3.98        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.98        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.98        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.98        ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.98        ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.98        ( ~( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) ) | 
% 23.07/3.98        ( ~( ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) ) ))).
% 23.07/3.98  thf(zf_stmt_37, negated_conjecture,
% 23.07/3.98    (( ssPv26_3r1r1r1 @ U @ V @ W ) | ( ~( ssNder1_0 ) ) | 
% 23.07/3.98     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 ) ) | 
% 23.07/3.98     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 ) ) | 
% 23.07/3.98     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 ) ) | 
% 23.07/3.98     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.98     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.98     ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.98     ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.98     ( ~( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) ) | 
% 23.07/3.98     ( ~( ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) )),
% 23.07/3.98    inference('cnf.neg', [status(esa)], [clause682])).
% 23.07/3.98  thf(zip_derived_cl286, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.98         ( (ssPv26_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_0)
% 23.07/3.98          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98               X7)
% 23.07/3.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8)
% 23.07/3.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.98          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22)
% 23.07/3.98          | ~ (ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ 
% 23.07/3.98               X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ 
% 23.07/3.98               X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ 
% 23.07/3.98               X22 @ X23))),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_37])).
% 23.07/3.98  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.98  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.98      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.98  thf(zip_derived_cl974, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.98  thf(zip_derived_cl979, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974])).
% 23.07/3.98  thf(zip_derived_cl998, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.98  thf(zip_derived_cl1024, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.98  thf(zip_derived_cl1046, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024])).
% 23.07/3.98  thf(zip_derived_cl1074, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.98  thf(zip_derived_cl1113, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.98  thf(zip_derived_cl1150, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i]:
% 23.07/3.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113])).
% 23.07/3.98  thf(zip_derived_cl1203, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8 @ X9)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.98  thf(zip_derived_cl1255, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.98  thf(zip_derived_cl1305, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255])).
% 23.07/3.98  thf(zip_derived_cl1359, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.98  thf(zip_derived_cl1420, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.98  thf(zip_derived_cl1479, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i]:
% 23.07/3.98          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420])).
% 23.07/3.98  thf(zip_derived_cl1547, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i]:
% 23.07/3.98          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.98  thf(zip_derived_cl1649, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.98          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.98           X16)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.98  thf(zip_derived_cl1732, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649])).
% 23.07/3.98  thf(zip_derived_cl1802, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.98          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17 @ X18)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.98  thf(zip_derived_cl1871, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.98          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.98  thf(zip_derived_cl1943, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.98          (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl441, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871])).
% 23.07/3.98  thf(zip_derived_cl2015, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i]:
% 23.07/3.98          (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl394, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943])).
% 23.07/3.98  thf(zip_derived_cl2085, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98          (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98           X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98           X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl346, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943, zip_derived_cl2015])).
% 23.07/3.98  thf(zip_derived_cl2123, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.98         ( (ssPv26_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ 
% 23.07/3.98               X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ 
% 23.07/3.98               X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ 
% 23.07/3.98               X22 @ X23))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl286, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943, zip_derived_cl2015, 
% 23.07/3.98                 zip_derived_cl2085])).
% 23.07/3.98  thf(zip_derived_cl2354, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.98         ( (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X23 @ X22 @ X21 @ 
% 23.07/3.98            X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ 
% 23.07/3.98            X9 @ X8 @ X7 @ X6)
% 23.07/3.98          |  (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X23 @ 
% 23.07/3.98              X22 @ X21 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ 
% 23.07/3.98              X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.98          |  (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X23 @ X22 @ 
% 23.07/3.98              X21 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ 
% 23.07/3.98              X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3)
% 23.07/3.98          |  (ssPv26_3r1r1r1 @ X23 @ X22 @ X21))),
% 23.07/3.98      inference('sup-', [status(thm)], [zip_derived_cl2353, zip_derived_cl2123])).
% 23.07/3.98  thf(clause624, conjecture,
% 23.07/3.98    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 ) ) | 
% 23.07/3.98        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 ) ) | 
% 23.07/3.98        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.98        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.98        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.98        ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.98        ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.98        ( ~( ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ skc25 ) ) ))).
% 23.07/3.98  thf(zf_stmt_38, negated_conjecture,
% 23.07/3.98    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 ) ) | 
% 23.07/3.98     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 ) ) | 
% 23.07/3.98     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 ) ) | 
% 23.07/3.98     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.98     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.98     ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.98     ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.98     ( ~( ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ skc25 ) )),
% 23.07/3.98    inference('cnf.neg', [status(esa)], [clause624])).
% 23.07/3.98  thf(zip_derived_cl344, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98         (~ (ssNder1_0)
% 23.07/3.98          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98               X7)
% 23.07/3.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8)
% 23.07/3.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.98          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ 
% 23.07/3.98               skc25))),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_38])).
% 23.07/3.98  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.98  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.98      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.98  thf(zip_derived_cl974, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.98  thf(zip_derived_cl979, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974])).
% 23.07/3.98  thf(zip_derived_cl998, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.98  thf(zip_derived_cl1024, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.98  thf(zip_derived_cl1046, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024])).
% 23.07/3.98  thf(zip_derived_cl1074, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.98  thf(zip_derived_cl1113, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.98  thf(zip_derived_cl1150, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i]:
% 23.07/3.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113])).
% 23.07/3.98  thf(zip_derived_cl1203, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8 @ X9)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.98  thf(zip_derived_cl1253, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98         (~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98             X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.98          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ 
% 23.07/3.98               skc25))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl344, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.98  thf(zip_derived_cl1255, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.98  thf(zip_derived_cl1269, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98         (~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98             X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.98          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ 
% 23.07/3.98               skc25))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1253, zip_derived_cl1255])).
% 23.07/3.98  thf(zip_derived_cl1305, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255])).
% 23.07/3.98  thf(zip_derived_cl1344, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98         (~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98             X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.98          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ 
% 23.07/3.98               skc25))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1269, zip_derived_cl1305])).
% 23.07/3.98  thf(zip_derived_cl1359, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.98  thf(zip_derived_cl1369, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98         (~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98             X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.98          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ 
% 23.07/3.98               skc25))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1344, zip_derived_cl1359])).
% 23.07/3.98  thf(zip_derived_cl1420, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.98  thf(zip_derived_cl1429, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98         (~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98             X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.98          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ 
% 23.07/3.98               skc25))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1369, zip_derived_cl1420])).
% 23.07/3.98  thf(zip_derived_cl1479, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i]:
% 23.07/3.98          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420])).
% 23.07/3.98  thf(zip_derived_cl1487, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98         (~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98             X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.98          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ 
% 23.07/3.98               skc25))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1429, zip_derived_cl1479])).
% 23.07/3.98  thf(zip_derived_cl1547, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i]:
% 23.07/3.98          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.98  thf(zip_derived_cl1554, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98         (~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98             X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98             X15 @ X16)
% 23.07/3.98          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.98          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ 
% 23.07/3.98               skc25))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1487, zip_derived_cl1547])).
% 23.07/3.98  thf(zip_derived_cl1649, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.98          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.98           X16)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.98  thf(zip_derived_cl1656, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98         (~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98             X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98             X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.98          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ 
% 23.07/3.98               skc25))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1554, zip_derived_cl1649])).
% 23.07/3.98  thf(zip_derived_cl1732, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649])).
% 23.07/3.98  thf(zip_derived_cl1738, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98         (~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98             X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98             X15 @ X16 @ X17 @ X18)
% 23.07/3.98          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ 
% 23.07/3.98               skc25))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1656, zip_derived_cl1732])).
% 23.07/3.98  thf(zip_derived_cl1802, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.98          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17 @ X18)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.98  thf(zip_derived_cl1807, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98         (~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98             X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98             X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ 
% 23.07/3.98               skc25))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1738, zip_derived_cl1802])).
% 23.07/3.98  thf(zip_derived_cl1871, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.98          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.98  thf(zip_derived_cl1874, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98         (~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98             X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98             X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ 
% 23.07/3.98               skc25))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1807, zip_derived_cl1871])).
% 23.07/3.98  thf(zip_derived_cl1943, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.98          (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl441, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871])).
% 23.07/3.98  thf(zip_derived_cl1945, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98         (~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98             X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98             X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ 
% 23.07/3.98               skc25))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1874, zip_derived_cl1943])).
% 23.07/3.98  thf(zip_derived_cl2015, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i]:
% 23.07/3.98          (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl394, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943])).
% 23.07/3.98  thf(zip_derived_cl2016, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98         ~ (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98            X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98            X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ skc25)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1945, zip_derived_cl2015])).
% 23.07/3.98  thf(zip_derived_cl2355, plain,
% 23.07/3.98      (![X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i, 
% 23.07/3.98         X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, X14 : $i, X15 : $i, 
% 23.07/3.98         X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, X21 : $i, X22 : $i]:
% 23.07/3.98         ( (ssPv26_3r1r1r1 @ X22 @ X21 @ X20)
% 23.07/3.98          |  (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X22 @ X21 @ 
% 23.07/3.98              X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ X11 @ 
% 23.07/3.98              X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2)
% 23.07/3.98          |  (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X22 @ X21 @ 
% 23.07/3.98              X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ X11 @ 
% 23.07/3.98              X10 @ X9 @ X8 @ X7 @ X6 @ X5))),
% 23.07/3.98      inference('sup-', [status(thm)], [zip_derived_cl2354, zip_derived_cl2016])).
% 23.07/3.98  thf(zip_derived_cl1803, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.98         ~ (ssPv8_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98            X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98            X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ skc31)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1733, zip_derived_cl1802])).
% 23.07/3.98  thf(zip_derived_cl2357, plain,
% 23.07/3.98      (![X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i, 
% 23.07/3.98         X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, X14 : $i, X15 : $i, 
% 23.07/3.98         X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.98         ( (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X19 @ X18 @ X17 @ 
% 23.07/3.98            X16 @ X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ 
% 23.07/3.98            X4 @ X3 @ X2)
% 23.07/3.98          |  (ssPv26_3r1r1r1 @ X19 @ X18 @ X17))),
% 23.07/3.98      inference('sup-', [status(thm)], [zip_derived_cl2355, zip_derived_cl1803])).
% 23.07/3.98  thf(clause401, conjecture,
% 23.07/3.98    (~( ( ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 ) | 
% 23.07/3.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssPv27_2r1r1 @ U @ V ) ) | 
% 23.07/3.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 ) ) | 
% 23.07/3.98        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 ) ) ))).
% 23.07/3.98  thf(zf_stmt_39, negated_conjecture,
% 23.07/3.98    (( ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98       X10 @ X11 @ X12 ) | 
% 23.07/3.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssPv27_2r1r1 @ U @ V ) ) | 
% 23.07/3.98     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 ) ) | 
% 23.07/3.98     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 ) )),
% 23.07/3.98    inference('cnf.neg', [status(esa)], [clause401])).
% 23.07/3.98  thf(zip_derived_cl567, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98         ( (ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98            X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98            X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_0)
% 23.07/3.98          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssPv27_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98               X7)
% 23.07/3.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8)
% 23.07/3.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16))),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_39])).
% 23.07/3.98  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.98  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.98      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.98  thf(zip_derived_cl974, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.98  thf(zip_derived_cl979, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974])).
% 23.07/3.98  thf(zip_derived_cl998, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.98  thf(zip_derived_cl1024, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.98  thf(zip_derived_cl1046, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024])).
% 23.07/3.98  thf(zip_derived_cl1074, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.98  thf(zip_derived_cl1113, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.98  thf(zip_derived_cl1150, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i]:
% 23.07/3.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113])).
% 23.07/3.98  thf(zip_derived_cl1203, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8 @ X9)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.98  thf(zip_derived_cl1255, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.98  thf(zip_derived_cl1305, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255])).
% 23.07/3.98  thf(zip_derived_cl1359, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.98  thf(zip_derived_cl1420, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.98  thf(zip_derived_cl1479, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i]:
% 23.07/3.98          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420])).
% 23.07/3.98  thf(zip_derived_cl1547, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i]:
% 23.07/3.98          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.98  thf(zip_derived_cl1649, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.98          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.98           X16)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.98  thf(zip_derived_cl1746, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98         ( (ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98            X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98            X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv27_2r1r1 @ X0 @ X1))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl567, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649])).
% 23.07/3.98  thf(clause520, conjecture,
% 23.07/3.98    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 ) ) | 
% 23.07/3.98        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 ) ) | 
% 23.07/3.98        ( ~( ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.98        ( ~( ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.98        ( ~( ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.98        ( ~( ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 ) ) ))).
% 23.07/3.98  thf(zf_stmt_40, negated_conjecture,
% 23.07/3.98    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 ) ) | 
% 23.07/3.98     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 ) ) | 
% 23.07/3.98     ( ~( ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 ) ) | 
% 23.07/3.98     ( ~( ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 ) ) | 
% 23.07/3.98     ( ~( ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 ) ) | 
% 23.07/3.98     ( ~( ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 ) )),
% 23.07/3.98    inference('cnf.neg', [status(esa)], [clause520])).
% 23.07/3.98  thf(zip_derived_cl448, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98         (~ (ssNder1_0)
% 23.07/3.98          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98               X7)
% 23.07/3.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8)
% 23.07/3.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17))),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_40])).
% 23.07/3.98  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.98  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.98      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.98  thf(zip_derived_cl974, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.98  thf(zip_derived_cl979, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974])).
% 23.07/3.98  thf(zip_derived_cl998, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.98  thf(zip_derived_cl1024, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.98  thf(zip_derived_cl1046, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024])).
% 23.07/3.98  thf(zip_derived_cl1074, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.98  thf(zip_derived_cl1113, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.98  thf(zip_derived_cl1150, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i]:
% 23.07/3.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113])).
% 23.07/3.98  thf(zip_derived_cl1193, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98         (~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98             X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl448, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.98  thf(zip_derived_cl1203, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8 @ X9)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.98  thf(zip_derived_cl1213, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98         (~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98             X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1193, zip_derived_cl1203])).
% 23.07/3.98  thf(zip_derived_cl1255, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.98  thf(zip_derived_cl1264, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98         (~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98             X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1213, zip_derived_cl1255])).
% 23.07/3.98  thf(zip_derived_cl1305, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255])).
% 23.07/3.98  thf(zip_derived_cl1311, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98         (~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98             X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1264, zip_derived_cl1305])).
% 23.07/3.98  thf(zip_derived_cl1359, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.98  thf(zip_derived_cl1364, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98         (~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98             X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1311, zip_derived_cl1359])).
% 23.07/3.98  thf(zip_derived_cl1420, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.98  thf(zip_derived_cl1424, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98         (~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98             X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1364, zip_derived_cl1420])).
% 23.07/3.98  thf(zip_derived_cl1479, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i]:
% 23.07/3.98          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420])).
% 23.07/3.98  thf(zip_derived_cl1482, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98         (~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98             X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1424, zip_derived_cl1479])).
% 23.07/3.98  thf(zip_derived_cl1547, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i]:
% 23.07/3.98          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.98  thf(zip_derived_cl1549, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98         (~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98             X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98             X15 @ X16)
% 23.07/3.98          | ~ (ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1482, zip_derived_cl1547])).
% 23.07/3.98  thf(zip_derived_cl1649, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.98          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.98           X16)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.98  thf(zip_derived_cl1651, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98         (~ (ssPv27_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98             X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98             X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1549, zip_derived_cl1649])).
% 23.07/3.98  thf(zip_derived_cl1747, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98         (~ (ssPv27_2r1r1 @ X17 @ X16)
% 23.07/3.98          | ~ (ssPv11_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X17 @ X16 @ 
% 23.07/3.98               X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ 
% 23.07/3.98               X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.98          | ~ (ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X17 @ X16 @ 
% 23.07/3.98               X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ 
% 23.07/3.98               X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.98          | ~ (ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X17 @ X16 @ 
% 23.07/3.98               X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ 
% 23.07/3.98               X4 @ X3 @ X2 @ X1 @ X0))),
% 23.07/3.98      inference('sup-', [status(thm)], [zip_derived_cl1746, zip_derived_cl1651])).
% 23.07/3.98  thf(zip_derived_cl2358, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98         ( (ssPv26_3r1r1r1 @ X17 @ X16 @ X15)
% 23.07/3.98          | ~ (ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X17 @ X16 @ 
% 23.07/3.98               X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ 
% 23.07/3.98               X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.98          | ~ (ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X17 @ X16 @ 
% 23.07/3.98               X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ 
% 23.07/3.98               X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.98          | ~ (ssPv27_2r1r1 @ X17 @ X16))),
% 23.07/3.98      inference('sup-', [status(thm)], [zip_derived_cl2357, zip_derived_cl1747])).
% 23.07/3.98  thf(clause52, conjecture,
% 23.07/3.98    (~( ( ssPv22_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ skc42 ) | 
% 23.07/3.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) ))).
% 23.07/3.98  thf(zf_stmt_41, negated_conjecture,
% 23.07/3.98    (( ssPv22_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ skc42 ) | 
% 23.07/3.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) )),
% 23.07/3.98    inference('cnf.neg', [status(esa)], [clause52])).
% 23.07/3.98  thf(zip_derived_cl916, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.98         ( (ssPv22_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ skc42)
% 23.07/3.98          | ~ (ssNder1_0)
% 23.07/3.98          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4))),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_41])).
% 23.07/3.98  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.98  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.98      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.98  thf(zip_derived_cl974, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.98  thf(zip_derived_cl979, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974])).
% 23.07/3.98  thf(zip_derived_cl998, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.98  thf(zip_derived_cl1024, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.98  thf(zip_derived_cl1045, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.98          (ssPv22_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ skc42)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl916, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024])).
% 23.07/3.98  thf(clause269, conjecture,
% 23.07/3.98    (~( ( ssPv22_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 23.07/3.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98        ( ~( ssPv22_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) ))).
% 23.07/3.98  thf(zf_stmt_42, negated_conjecture,
% 23.07/3.98    (( ssPv22_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 23.07/3.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98     ( ~( ssPv22_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) )),
% 23.07/3.98    inference('cnf.neg', [status(esa)], [clause269])).
% 23.07/3.98  thf(zip_derived_cl699, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98         ( (ssPv22_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_0)
% 23.07/3.98          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.98          | ~ (ssPv22_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98               X7)
% 23.07/3.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8)
% 23.07/3.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12))),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_42])).
% 23.07/3.98  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.98  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.98      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.98  thf(zip_derived_cl974, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.98  thf(zip_derived_cl979, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974])).
% 23.07/3.98  thf(zip_derived_cl998, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.98  thf(zip_derived_cl1024, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.98  thf(zip_derived_cl1046, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024])).
% 23.07/3.98  thf(zip_derived_cl1074, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.98  thf(zip_derived_cl1113, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.98  thf(zip_derived_cl1150, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i]:
% 23.07/3.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113])).
% 23.07/3.98  thf(zip_derived_cl1203, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8 @ X9)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.98  thf(zip_derived_cl1255, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.98  thf(zip_derived_cl1305, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255])).
% 23.07/3.98  thf(zip_derived_cl1359, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.98  thf(zip_derived_cl1452, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98         ( (ssPv22_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssPv22_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl699, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.98  thf(clause341, conjecture,
% 23.07/3.98    (~( ( ssPv27_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 23.07/3.98        ( ssPv26_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 23.07/3.98        ( ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 23.07/3.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98        ( ~( ssPv22_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) ))).
% 23.07/3.98  thf(zf_stmt_43, negated_conjecture,
% 23.07/3.98    (( ssPv27_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 23.07/3.98     ( ssPv26_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 23.07/3.98     ( ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 23.07/3.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98     ( ~( ssPv22_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) )),
% 23.07/3.98    inference('cnf.neg', [status(esa)], [clause341])).
% 23.07/3.98  thf(zip_derived_cl627, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98         ( (ssPv27_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          |  (ssPv26_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98              X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          |  (ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98              X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_0)
% 23.07/3.98          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98               X7)
% 23.07/3.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8)
% 23.07/3.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssPv22_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_43])).
% 23.07/3.98  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.98  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.98      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.98  thf(zip_derived_cl974, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.98  thf(zip_derived_cl979, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974])).
% 23.07/3.98  thf(zip_derived_cl998, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.98  thf(zip_derived_cl1024, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.98  thf(zip_derived_cl1046, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024])).
% 23.07/3.98  thf(zip_derived_cl1074, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.98  thf(zip_derived_cl1113, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.98  thf(zip_derived_cl1150, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i]:
% 23.07/3.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113])).
% 23.07/3.98  thf(zip_derived_cl1203, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8 @ X9)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.98  thf(zip_derived_cl1255, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.98  thf(zip_derived_cl1305, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255])).
% 23.07/3.98  thf(zip_derived_cl1359, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.98  thf(zip_derived_cl1587, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98         ( (ssPv27_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          |  (ssPv26_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98              X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          |  (ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98              X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssPv22_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl627, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.98  thf(zip_derived_cl1588, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98         (~ (ssPv22_7r1r1r1r1r1r1r1 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7)
% 23.07/3.98          |  (ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X13 @ X12 @ X11 @ X10 @ 
% 23.07/3.98              X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.98          |  (ssPv26_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X13 @ X12 @ X11 @ X10 @ 
% 23.07/3.98              X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.98          |  (ssPv27_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X13 @ X12 @ X11 @ X10 @ 
% 23.07/3.98              X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0))),
% 23.07/3.98      inference('sup-', [status(thm)], [zip_derived_cl1452, zip_derived_cl1587])).
% 23.07/3.98  thf(clause260, conjecture,
% 23.07/3.98    (~( ( ssPv26_3r1r1r1 @ U @ V @ W ) | ( ~( ssNder1_0 ) ) | 
% 23.07/3.98        ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98        ( ~( ssPv26_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) ))).
% 23.07/3.98  thf(zf_stmt_44, negated_conjecture,
% 23.07/3.98    (( ssPv26_3r1r1r1 @ U @ V @ W ) | ( ~( ssNder1_0 ) ) | 
% 23.07/3.98     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98     ( ~( ssPv26_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) )),
% 23.07/3.98    inference('cnf.neg', [status(esa)], [clause260])).
% 23.07/3.98  thf(zip_derived_cl708, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98         ( (ssPv26_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_0)
% 23.07/3.98          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98               X7)
% 23.07/3.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8)
% 23.07/3.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssPv26_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_44])).
% 23.07/3.98  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.98  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.98      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.98  thf(zip_derived_cl974, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.98  thf(zip_derived_cl979, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974])).
% 23.07/3.98  thf(zip_derived_cl998, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.98  thf(zip_derived_cl1024, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.98  thf(zip_derived_cl1046, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024])).
% 23.07/3.98  thf(zip_derived_cl1074, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.98  thf(zip_derived_cl1113, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.98  thf(zip_derived_cl1150, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i]:
% 23.07/3.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113])).
% 23.07/3.98  thf(zip_derived_cl1203, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8 @ X9)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.98  thf(zip_derived_cl1255, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.98  thf(zip_derived_cl1305, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255])).
% 23.07/3.98  thf(zip_derived_cl1359, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.98  thf(zip_derived_cl1406, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98         ( (ssPv26_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssPv26_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl708, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.98  thf(zip_derived_cl1589, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98         ( (ssPv27_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X13 @ X12 @ X11 @ X10 @ 
% 23.07/3.98            X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.98          |  (ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X13 @ X12 @ X11 @ X10 @ 
% 23.07/3.98              X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.98          | ~ (ssPv22_7r1r1r1r1r1r1r1 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7)
% 23.07/3.98          |  (ssPv26_3r1r1r1 @ X13 @ X12 @ X11))),
% 23.07/3.98      inference('sup-', [status(thm)], [zip_derived_cl1588, zip_derived_cl1406])).
% 23.07/3.98  thf(clause258, conjecture,
% 23.07/3.98    (~( ( ssPv27_2r1r1 @ U @ V ) | ( ~( ssNder1_0 ) ) | 
% 23.07/3.98        ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98        ( ~( ssPv27_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) ))).
% 23.07/3.98  thf(zf_stmt_45, negated_conjecture,
% 23.07/3.98    (( ssPv27_2r1r1 @ U @ V ) | ( ~( ssNder1_0 ) ) | 
% 23.07/3.98     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98     ( ~( ssPv27_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) )),
% 23.07/3.98    inference('cnf.neg', [status(esa)], [clause258])).
% 23.07/3.98  thf(zip_derived_cl710, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98         ( (ssPv27_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssNder1_0)
% 23.07/3.98          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98               X7)
% 23.07/3.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8)
% 23.07/3.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssPv27_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_45])).
% 23.07/3.98  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.98  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.98      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.98  thf(zip_derived_cl974, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.98  thf(zip_derived_cl979, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974])).
% 23.07/3.98  thf(zip_derived_cl998, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.98  thf(zip_derived_cl1024, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.98  thf(zip_derived_cl1046, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024])).
% 23.07/3.98  thf(zip_derived_cl1074, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.98  thf(zip_derived_cl1113, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.98  thf(zip_derived_cl1150, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i]:
% 23.07/3.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113])).
% 23.07/3.98  thf(zip_derived_cl1203, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8 @ X9)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.98  thf(zip_derived_cl1255, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.98  thf(zip_derived_cl1305, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255])).
% 23.07/3.98  thf(zip_derived_cl1359, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.98  thf(zip_derived_cl1393, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98         ( (ssPv27_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssPv27_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl710, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.98  thf(zip_derived_cl1590, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98         ( (ssPv26_3r1r1r1 @ X13 @ X12 @ X11)
% 23.07/3.98          | ~ (ssPv22_7r1r1r1r1r1r1r1 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7)
% 23.07/3.98          |  (ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X13 @ X12 @ X11 @ X10 @ 
% 23.07/3.98              X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.98          |  (ssPv27_2r1r1 @ X13 @ X12))),
% 23.07/3.98      inference('sup-', [status(thm)], [zip_derived_cl1589, zip_derived_cl1393])).
% 23.07/3.98  thf(clause222, conjecture,
% 23.07/3.98    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98        ( ~( ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ skc37 ) ) ))).
% 23.07/3.98  thf(zf_stmt_46, negated_conjecture,
% 23.07/3.98    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98     ( ~( ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ skc37 ) )),
% 23.07/3.98    inference('cnf.neg', [status(esa)], [clause222])).
% 23.07/3.98  thf(zip_derived_cl746, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98         (~ (ssNder1_0)
% 23.07/3.98          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98               X7)
% 23.07/3.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8)
% 23.07/3.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc37))),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_46])).
% 23.07/3.98  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.98  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.98      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.98  thf(zip_derived_cl974, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.98  thf(zip_derived_cl979, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974])).
% 23.07/3.98  thf(zip_derived_cl998, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.98  thf(zip_derived_cl1024, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.98  thf(zip_derived_cl1046, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024])).
% 23.07/3.98  thf(zip_derived_cl1074, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.98  thf(zip_derived_cl1105, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98         (~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)
% 23.07/3.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8)
% 23.07/3.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc37))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl746, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.98  thf(zip_derived_cl1113, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.98  thf(zip_derived_cl1116, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98         (~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98             X7 @ X8)
% 23.07/3.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc37))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1105, zip_derived_cl1113])).
% 23.07/3.98  thf(zip_derived_cl1150, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i]:
% 23.07/3.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113])).
% 23.07/3.98  thf(zip_derived_cl1153, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98         (~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98             X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc37))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1116, zip_derived_cl1150])).
% 23.07/3.98  thf(zip_derived_cl1203, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8 @ X9)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.98  thf(zip_derived_cl1205, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98         (~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98             X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc37))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1153, zip_derived_cl1203])).
% 23.07/3.98  thf(zip_derived_cl1255, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.98  thf(zip_derived_cl1257, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98         (~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98             X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc37))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1205, zip_derived_cl1255])).
% 23.07/3.98  thf(zip_derived_cl1305, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255])).
% 23.07/3.98  thf(zip_derived_cl1306, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98         ~ (ssPv15_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc37)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl1257, zip_derived_cl1305])).
% 23.07/3.98  thf(zip_derived_cl1591, plain,
% 23.07/3.98      (![X6 : $i, X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98         ( (ssPv27_2r1r1 @ X12 @ X11)
% 23.07/3.98          | ~ (ssPv22_7r1r1r1r1r1r1r1 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6)
% 23.07/3.98          |  (ssPv26_3r1r1r1 @ X12 @ X11 @ X10))),
% 23.07/3.98      inference('sup-', [status(thm)], [zip_derived_cl1590, zip_derived_cl1306])).
% 23.07/3.98  thf(zip_derived_cl1592, plain,
% 23.07/3.98      (![X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.98         ( (ssPv26_3r1r1r1 @ X5 @ X4 @ X3) |  (ssPv27_2r1r1 @ X5 @ X4))),
% 23.07/3.98      inference('sup-', [status(thm)], [zip_derived_cl1045, zip_derived_cl1591])).
% 23.07/3.98  thf(zip_derived_cl2360, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98         (~ (ssPv13_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X17 @ X16 @ X15 @ 
% 23.07/3.98             X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ 
% 23.07/3.98             X2 @ X1 @ X0)
% 23.07/3.98          | ~ (ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X17 @ X16 @ 
% 23.07/3.98               X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ 
% 23.07/3.98               X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.98          |  (ssPv26_3r1r1r1 @ X17 @ X16 @ X15))),
% 23.07/3.98      inference('clc', [status(thm)], [zip_derived_cl2358, zip_derived_cl1592])).
% 23.07/3.98  thf(zip_derived_cl2361, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98         (~ (ssPv13_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X17 @ X16 @ X15 @ 
% 23.07/3.98             X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ 
% 23.07/3.98             X2)
% 23.07/3.98          |  (ssPv26_3r1r1r1 @ X17 @ X16 @ X15)
% 23.07/3.98          | ~ (ssPv24_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X17 @ X16 @ 
% 23.07/3.98               X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ 
% 23.07/3.98               X4 @ X3 @ X2 @ X1 @ X0))),
% 23.07/3.98      inference('sup-', [status(thm)], [zip_derived_cl1796, zip_derived_cl2360])).
% 23.07/3.98  thf(zip_derived_cl2362, plain,
% 23.07/3.98      (![X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i, 
% 23.07/3.98         X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, X14 : $i, X15 : $i, 
% 23.07/3.98         X16 : $i, X17 : $i]:
% 23.07/3.98         (~ (ssPv24_5r1r1r1r1r1 @ X17 @ X16 @ X15 @ X14 @ X13)
% 23.07/3.98          |  (ssPv26_3r1r1r1 @ X17 @ X16 @ X15)
% 23.07/3.98          | ~ (ssPv13_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X17 @ X16 @ X15 @ 
% 23.07/3.98               X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ 
% 23.07/3.98               X3 @ X2))),
% 23.07/3.98      inference('sup-', [status(thm)], [zip_derived_cl1759, zip_derived_cl2361])).
% 23.07/3.98  thf(zip_derived_cl2363, plain,
% 23.07/3.98      (![X10 : $i, X11 : $i, X12 : $i, X13 : $i, X14 : $i]:
% 23.07/3.98         ( (ssPv26_3r1r1r1 @ X14 @ X13 @ X12)
% 23.07/3.98          | ~ (ssPv24_5r1r1r1r1r1 @ X14 @ X13 @ X12 @ X11 @ X10))),
% 23.07/3.98      inference('sup-', [status(thm)], [zip_derived_cl1492, zip_derived_cl2362])).
% 23.07/3.98  thf(zip_derived_cl2364, plain,
% 23.07/3.98      (![X1 : $i, X2 : $i, X3 : $i]:  (ssPv26_3r1r1r1 @ X3 @ X2 @ X1)),
% 23.07/3.98      inference('sup-', [status(thm)], [zip_derived_cl1010, zip_derived_cl2363])).
% 23.07/3.98  thf(zip_derived_cl2389, plain,
% 23.07/3.98      (![X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, X14 : $i, 
% 23.07/3.98         X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.98         (~ (ssPv21_8r1r1r1r1r1r1r1r1 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ 
% 23.07/3.98             X13 @ X12)
% 23.07/3.98          |  (ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X19 @ X18 @ X17 @ X16 @ 
% 23.07/3.98              X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9 @ X8))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl2118, zip_derived_cl2364])).
% 23.07/3.98  thf(clause700, conjecture,
% 23.07/3.98    (~( ( ssPv17_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) | 
% 23.07/3.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98        ( ~( ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 ) ) | 
% 23.07/3.98        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 ) ) | 
% 23.07/3.98        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.98        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.98        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.98        ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.98        ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.98        ( ~( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) ) ))).
% 23.07/3.98  thf(zf_stmt_47, negated_conjecture,
% 23.07/3.98    (( ssPv17_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98       X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) | 
% 23.07/3.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98     ( ~( ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 ) ) | 
% 23.07/3.98     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 ) ) | 
% 23.07/3.98     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 ) ) | 
% 23.07/3.98     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.98     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.98     ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.98     ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.98     ( ~( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) )),
% 23.07/3.98    inference('cnf.neg', [status(esa)], [clause700])).
% 23.07/3.98  thf(zip_derived_cl268, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.98         ( (ssPv17_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98            X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98            X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23)
% 23.07/3.98          | ~ (ssNder1_0)
% 23.07/3.98          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98               X7)
% 23.07/3.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8)
% 23.07/3.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.98          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22))),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_47])).
% 23.07/3.98  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.98  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.98      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.98  thf(zip_derived_cl974, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.98  thf(zip_derived_cl979, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974])).
% 23.07/3.98  thf(zip_derived_cl998, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.98  thf(zip_derived_cl1024, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.98  thf(zip_derived_cl1046, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024])).
% 23.07/3.98  thf(zip_derived_cl1074, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.98  thf(zip_derived_cl1113, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.98  thf(zip_derived_cl1150, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i]:
% 23.07/3.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113])).
% 23.07/3.98  thf(zip_derived_cl1203, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8 @ X9)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.98  thf(zip_derived_cl1255, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.98  thf(zip_derived_cl1305, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255])).
% 23.07/3.98  thf(zip_derived_cl1359, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.98  thf(zip_derived_cl1420, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.98  thf(zip_derived_cl1479, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i]:
% 23.07/3.98          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420])).
% 23.07/3.98  thf(zip_derived_cl1547, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i]:
% 23.07/3.98          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.98  thf(zip_derived_cl1649, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.98          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.98           X16)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.98  thf(zip_derived_cl1732, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649])).
% 23.07/3.98  thf(zip_derived_cl1802, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.98          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17 @ X18)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.98  thf(zip_derived_cl1871, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.98          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.98  thf(zip_derived_cl1943, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.98          (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl441, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871])).
% 23.07/3.98  thf(zip_derived_cl2015, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i]:
% 23.07/3.98          (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl394, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943])).
% 23.07/3.98  thf(zip_derived_cl2085, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98          (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98           X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98           X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl346, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943, zip_derived_cl2015])).
% 23.07/3.98  thf(zip_derived_cl2237, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.98         ( (ssPv17_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98            X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98            X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23)
% 23.07/3.98          | ~ (ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11))),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl268, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943, zip_derived_cl2015, 
% 23.07/3.98                 zip_derived_cl2085])).
% 23.07/3.98  thf(clause828, conjecture,
% 23.07/3.98    (~( ( ssPv7_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) | 
% 23.07/3.98        ( ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) | 
% 23.07/3.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 ) ) | 
% 23.07/3.98        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 ) ) | 
% 23.07/3.98        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.98        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.98        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.98        ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.98        ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.98        ( ~( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) ) | 
% 23.07/3.98        ( ~( ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) ) | 
% 23.07/3.98        ( ~( ssPv17_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) ) ))).
% 23.07/3.98  thf(zf_stmt_48, negated_conjecture,
% 23.07/3.98    (( ssPv7_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98       X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) | 
% 23.07/3.98     ( ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98       X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) | 
% 23.07/3.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 ) ) | 
% 23.07/3.98     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 ) ) | 
% 23.07/3.98     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 ) ) | 
% 23.07/3.98     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.98     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.98     ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.98     ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.98     ( ~( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) ) | 
% 23.07/3.98     ( ~( ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) ) | 
% 23.07/3.98     ( ~( ssPv17_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) )),
% 23.07/3.98    inference('cnf.neg', [status(esa)], [clause828])).
% 23.07/3.98  thf(zip_derived_cl140, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.98         ( (ssPv7_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98            X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98            X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23)
% 23.07/3.98          |  (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98              X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98              X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23)
% 23.07/3.98          | ~ (ssNder1_0)
% 23.07/3.98          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98               X7)
% 23.07/3.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8)
% 23.07/3.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.98          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22)
% 23.07/3.98          | ~ (ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ 
% 23.07/3.98               X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ 
% 23.07/3.98               X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ 
% 23.07/3.98               X22 @ X23)
% 23.07/3.98          | ~ (ssPv17_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ 
% 23.07/3.98               X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ 
% 23.07/3.98               X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ 
% 23.07/3.98               X22 @ X23))),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_48])).
% 23.07/3.98  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.98  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.98      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.98  thf(zip_derived_cl974, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.98  thf(zip_derived_cl979, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974])).
% 23.07/3.98  thf(zip_derived_cl998, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.98  thf(zip_derived_cl1024, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.98  thf(zip_derived_cl1046, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024])).
% 23.07/3.98  thf(zip_derived_cl1074, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.98  thf(zip_derived_cl1113, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.98  thf(zip_derived_cl1150, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i]:
% 23.07/3.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113])).
% 23.07/3.98  thf(zip_derived_cl1203, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98           X7 @ X8 @ X9)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.98  thf(zip_derived_cl1255, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.98  thf(zip_derived_cl1305, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255])).
% 23.07/3.98  thf(zip_derived_cl1359, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.98          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.98  thf(zip_derived_cl1420, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.98          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.98  thf(zip_derived_cl1479, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i]:
% 23.07/3.98          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420])).
% 23.07/3.98  thf(zip_derived_cl1547, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i]:
% 23.07/3.98          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.98  thf(zip_derived_cl1649, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.98          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.98           X16)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.98  thf(zip_derived_cl1732, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.98          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649])).
% 23.07/3.98  thf(zip_derived_cl1802, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.98          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17 @ X18)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.98  thf(zip_derived_cl1871, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.98          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.98           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.98  thf(zip_derived_cl1943, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.98          (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl441, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871])).
% 23.07/3.98  thf(zip_derived_cl2015, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i]:
% 23.07/3.98          (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl394, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943])).
% 23.07/3.98  thf(zip_derived_cl2085, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i]:
% 23.07/3.98          (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98           X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98           X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl346, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.98                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.98                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.98                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.98                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.98                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.98                 zip_derived_cl1871, zip_derived_cl1943, zip_derived_cl2015])).
% 23.07/3.98  thf(clause681, conjecture,
% 23.07/3.98    (~( ( ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) | 
% 23.07/3.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98        ( ~( ssPv26_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 ) ) | 
% 23.07/3.98        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 ) ) | 
% 23.07/3.98        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.98        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.98        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.98        ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.98        ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.98        ( ~( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.98             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) ) ))).
% 23.07/3.98  thf(zf_stmt_49, negated_conjecture,
% 23.07/3.98    (( ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98       X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) | 
% 23.07/3.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98     ( ~( ssPv26_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.98     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.98     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.98     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.98     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 ) ) | 
% 23.07/3.98     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 ) ) | 
% 23.07/3.98     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 ) ) | 
% 23.07/3.98     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.98     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.98     ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.98     ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.98     ( ~( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.98          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) )),
% 23.07/3.98    inference('cnf.neg', [status(esa)], [clause681])).
% 23.07/3.98  thf(zip_derived_cl287, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.98         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.98         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.98         ( (ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98            X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98            X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23)
% 23.07/3.98          | ~ (ssNder1_0)
% 23.07/3.98          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssPv26_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.98               X7)
% 23.07/3.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8)
% 23.07/3.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.98               X6 @ X7 @ X8 @ X9)
% 23.07/3.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.98          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.98          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.98          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15)
% 23.07/3.98          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16)
% 23.07/3.98          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.98               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17)
% 23.07/3.98          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.98          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.98               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.98               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.98          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.98          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.98          | ~ (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.98               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.98               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22))),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_49])).
% 23.07/3.98  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.98  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.98      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.98  thf(zip_derived_cl974, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.98  thf(zip_derived_cl979, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974])).
% 23.07/3.98  thf(zip_derived_cl998, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.98  thf(zip_derived_cl1024, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.98      inference('demod', [status(thm)],
% 23.07/3.98                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.98                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.98  thf(zip_derived_cl1046, plain,
% 23.07/3.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.99          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024])).
% 23.07/3.99  thf(zip_derived_cl1074, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.99          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.99  thf(zip_derived_cl1113, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.99          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.99  thf(zip_derived_cl1150, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i]:
% 23.07/3.99          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.99           X7 @ X8)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113])).
% 23.07/3.99  thf(zip_derived_cl1203, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.99          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.99           X7 @ X8 @ X9)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.99  thf(zip_derived_cl1255, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.99          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.99           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.99  thf(zip_derived_cl1305, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.99          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.99           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255])).
% 23.07/3.99  thf(zip_derived_cl1359, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.99          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.99  thf(zip_derived_cl1420, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.99          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.99  thf(zip_derived_cl1479, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i]:
% 23.07/3.99          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420])).
% 23.07/3.99  thf(zip_derived_cl1547, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i]:
% 23.07/3.99          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.99  thf(zip_derived_cl1649, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.99          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.99           X16)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.99  thf(zip_derived_cl1732, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.99          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.99           X15 @ X16 @ X17)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649])).
% 23.07/3.99  thf(zip_derived_cl1802, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.99          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.99           X15 @ X16 @ X17 @ X18)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.99  thf(zip_derived_cl1871, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.99          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.99           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.99  thf(zip_derived_cl1943, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.99          (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl441, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.99                 zip_derived_cl1871])).
% 23.07/3.99  thf(zip_derived_cl2015, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.99         X21 : $i]:
% 23.07/3.99          (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl394, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.99                 zip_derived_cl1871, zip_derived_cl1943])).
% 23.07/3.99  thf(zip_derived_cl2085, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.99         X21 : $i, X22 : $i]:
% 23.07/3.99          (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99           X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99           X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl346, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.99                 zip_derived_cl1871, zip_derived_cl1943, zip_derived_cl2015])).
% 23.07/3.99  thf(zip_derived_cl2199, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.99         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.99         ( (ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99            X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99            X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23)
% 23.07/3.99          | ~ (ssPv26_3r1r1r1 @ X0 @ X1 @ X2))),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl287, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.99                 zip_derived_cl1871, zip_derived_cl1943, zip_derived_cl2015, 
% 23.07/3.99                 zip_derived_cl2085])).
% 23.07/3.99  thf(zip_derived_cl2364, plain,
% 23.07/3.99      (![X1 : $i, X2 : $i, X3 : $i]:  (ssPv26_3r1r1r1 @ X3 @ X2 @ X1)),
% 23.07/3.99      inference('sup-', [status(thm)], [zip_derived_cl1010, zip_derived_cl2363])).
% 23.07/3.99  thf(zip_derived_cl2396, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.99         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.99          (ssPv26_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99           X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99           X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl2199, zip_derived_cl2364])).
% 23.07/3.99  thf(zip_derived_cl2543, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.99         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.99         ( (ssPv7_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99            X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99            X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23)
% 23.07/3.99          |  (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99              X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99              X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23)
% 23.07/3.99          | ~ (ssPv17_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ 
% 23.07/3.99               X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ 
% 23.07/3.99               X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ 
% 23.07/3.99               X22 @ X23))),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl140, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.99                 zip_derived_cl1871, zip_derived_cl1943, zip_derived_cl2015, 
% 23.07/3.99                 zip_derived_cl2085, zip_derived_cl2396])).
% 23.07/3.99  thf(clause727, conjecture,
% 23.07/3.99    (~( ( ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) | 
% 23.07/3.99        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.99        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.99        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.99        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.99        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.99        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.99        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.99        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.99        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.99        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.99        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.99        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.99        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.99        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.99        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.99        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.99             X9 @ X10 ) ) | 
% 23.07/3.99        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.99             X9 @ X10 @ X11 ) ) | 
% 23.07/3.99        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.99             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.99        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.99             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.99        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.99             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.99        ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.99             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.99        ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.99             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.99        ( ~( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.99             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) ) | 
% 23.07/3.99        ( ~( ssPv7_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.99             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) ) ))).
% 23.07/3.99  thf(zf_stmt_50, negated_conjecture,
% 23.07/3.99    (( ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99       X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) | 
% 23.07/3.99     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.99     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.99     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.99     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.99     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.99     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.99     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.99     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.99     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.99     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.99     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.99     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.99     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.99     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.99     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99          X10 ) ) | 
% 23.07/3.99     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99          X10 @ X11 ) ) | 
% 23.07/3.99     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99          X10 @ X11 @ X12 ) ) | 
% 23.07/3.99     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.99     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99          X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.99     ( ~( ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99          X10 @ X11 @ X12 @ X13 @ X14 @ X15 ) ) | 
% 23.07/3.99     ( ~( ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 ) ) | 
% 23.07/3.99     ( ~( ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 ) ) | 
% 23.07/3.99     ( ~( ssPv7_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ X16 @ X17 @ X18 ) )),
% 23.07/3.99    inference('cnf.neg', [status(esa)], [clause727])).
% 23.07/3.99  thf(zip_derived_cl241, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.99         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.99         ( (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99            X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99            X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.99          | ~ (ssNder1_0)
% 23.07/3.99          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.99          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.99          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.99          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.99          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.99          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.99          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.99          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.99               X7)
% 23.07/3.99          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.99               X6 @ X7 @ X8)
% 23.07/3.99          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.99               X6 @ X7 @ X8 @ X9)
% 23.07/3.99          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.99          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.99          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.99          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.99          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.99          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15)
% 23.07/3.99          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16)
% 23.07/3.99          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17)
% 23.07/3.99          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.99          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.99          | ~ (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)
% 23.07/3.99          | ~ (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.99          | ~ (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22)
% 23.07/3.99          | ~ (ssPv7_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23))),
% 23.07/3.99      inference('cnf', [status(esa)], [zf_stmt_50])).
% 23.07/3.99  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.99      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.99  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.99      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.99  thf(zip_derived_cl974, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.99  thf(zip_derived_cl979, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974])).
% 23.07/3.99  thf(zip_derived_cl998, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.99          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.99  thf(zip_derived_cl1024, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.99          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.99  thf(zip_derived_cl1046, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.99          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024])).
% 23.07/3.99  thf(zip_derived_cl1074, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.99          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.99  thf(zip_derived_cl1113, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.99          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.99  thf(zip_derived_cl1150, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i]:
% 23.07/3.99          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.99           X7 @ X8)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113])).
% 23.07/3.99  thf(zip_derived_cl1203, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.99          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.99           X7 @ X8 @ X9)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.99  thf(zip_derived_cl1255, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.99          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.99           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.99  thf(zip_derived_cl1305, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.99          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.99           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255])).
% 23.07/3.99  thf(zip_derived_cl1359, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.99          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.99  thf(zip_derived_cl1420, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.99          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.99  thf(zip_derived_cl1479, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i]:
% 23.07/3.99          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420])).
% 23.07/3.99  thf(zip_derived_cl1547, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i]:
% 23.07/3.99          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.99  thf(zip_derived_cl1649, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.99          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.99           X16)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.99  thf(zip_derived_cl1732, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.99          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.99           X15 @ X16 @ X17)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649])).
% 23.07/3.99  thf(zip_derived_cl1802, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.99          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.99           X15 @ X16 @ X17 @ X18)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.99  thf(zip_derived_cl1871, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.99          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.99           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.99  thf(zip_derived_cl1943, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.99          (ssNder1_21r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl441, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.99                 zip_derived_cl1871])).
% 23.07/3.99  thf(zip_derived_cl2015, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.99         X21 : $i]:
% 23.07/3.99          (ssNder1_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99           X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99           X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl394, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.99                 zip_derived_cl1871, zip_derived_cl1943])).
% 23.07/3.99  thf(zip_derived_cl2085, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.99         X21 : $i, X22 : $i]:
% 23.07/3.99          (ssNder1_23r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99           X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99           X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl346, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.99                 zip_derived_cl1871, zip_derived_cl1943, zip_derived_cl2015])).
% 23.07/3.99  thf(zip_derived_cl2295, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.99         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.99         ( (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99            X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99            X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21)
% 23.07/3.99          | ~ (ssPv7_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ X23))),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl241, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802, 
% 23.07/3.99                 zip_derived_cl1871, zip_derived_cl1943, zip_derived_cl2015, 
% 23.07/3.99                 zip_derived_cl2085])).
% 23.07/3.99  thf(zip_derived_cl2544, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.99         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.99         (~ (ssPv17_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X23 @ 
% 23.07/3.99             X22 @ X21 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ 
% 23.07/3.99             X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.99          |  (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X23 @ 
% 23.07/3.99              X22 @ X21 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ 
% 23.07/3.99              X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 23.07/3.99          |  (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X23 @ 
% 23.07/3.99              X22 @ X21 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ 
% 23.07/3.99              X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2))),
% 23.07/3.99      inference('sup-', [status(thm)], [zip_derived_cl2543, zip_derived_cl2295])).
% 23.07/3.99  thf(zip_derived_cl2545, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.99         X21 : $i, X22 : $i, X23 : $i]:
% 23.07/3.99         (~ (ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X23 @ X22 @ X21 @ X20 @ X19 @ 
% 23.07/3.99             X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12)
% 23.07/3.99          |  (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X23 @ 
% 23.07/3.99              X22 @ X21 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ 
% 23.07/3.99              X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2)
% 23.07/3.99          |  (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X23 @ 
% 23.07/3.99              X22 @ X21 @ X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ 
% 23.07/3.99              X12 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0))),
% 23.07/3.99      inference('sup-', [status(thm)], [zip_derived_cl2237, zip_derived_cl2544])).
% 23.07/3.99  thf(zip_derived_cl2016, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, 
% 23.07/3.99         X21 : $i, X22 : $i]:
% 23.07/3.99         ~ (ssPv5_24r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99            X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99            X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ X21 @ X22 @ skc25)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl1945, zip_derived_cl2015])).
% 23.07/3.99  thf(zip_derived_cl2546, plain,
% 23.07/3.99      (![X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i, 
% 23.07/3.99         X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, X14 : $i, 
% 23.07/3.99         X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i, X21 : $i, 
% 23.07/3.99         X22 : $i]:
% 23.07/3.99         ( (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X22 @ X21 @ 
% 23.07/3.99            X20 @ X19 @ X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ 
% 23.07/3.99            X9 @ X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1)
% 23.07/3.99          | ~ (ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X22 @ X21 @ X20 @ X19 @ 
% 23.07/3.99               X18 @ X17 @ X16 @ X15 @ X14 @ X13 @ X12 @ X11))),
% 23.07/3.99      inference('sup-', [status(thm)], [zip_derived_cl2545, zip_derived_cl2016])).
% 23.07/3.99  thf(clause529, conjecture,
% 23.07/3.99    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.99        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 23.07/3.99        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.99        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.99        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.99        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.99        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.99        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.99        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.99        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.99        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.99        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.99        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.99        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.99        ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.99        ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.99             X9 @ X10 ) ) | 
% 23.07/3.99        ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.99             X9 @ X10 @ X11 ) ) | 
% 23.07/3.99        ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.99             X9 @ X10 @ X11 @ X12 ) ) | 
% 23.07/3.99        ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.99             X9 @ X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.99        ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.99             X9 @ X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.99        ( ~( ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 23.07/3.99             X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ skc29 ) ) ))).
% 23.07/3.99  thf(zf_stmt_51, negated_conjecture,
% 23.07/3.99    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 23.07/3.99     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 23.07/3.99     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 23.07/3.99     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 23.07/3.99     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 23.07/3.99     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 23.07/3.99     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 23.07/3.99     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 23.07/3.99     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 23.07/3.99     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 23.07/3.99     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 23.07/3.99     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 23.07/3.99     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 23.07/3.99     ( ~( ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) ) | 
% 23.07/3.99     ( ~( ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99          X10 ) ) | 
% 23.07/3.99     ( ~( ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99          X10 @ X11 ) ) | 
% 23.07/3.99     ( ~( ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99          X10 @ X11 @ X12 ) ) | 
% 23.07/3.99     ( ~( ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99          X10 @ X11 @ X12 @ X13 ) ) | 
% 23.07/3.99     ( ~( ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99          X10 @ X11 @ X12 @ X13 @ X14 ) ) | 
% 23.07/3.99     ( ~( ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 23.07/3.99          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ 
% 23.07/3.99          X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ skc29 ) )),
% 23.07/3.99    inference('cnf.neg', [status(esa)], [clause529])).
% 23.07/3.99  thf(zip_derived_cl439, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.99         (~ (ssNder1_0)
% 23.07/3.99          | ~ (ssNder1_1r1 @ X0)
% 23.07/3.99          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 23.07/3.99          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 23.07/3.99          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 23.07/3.99          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 23.07/3.99          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 23.07/3.99          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 23.07/3.99          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.99               X7)
% 23.07/3.99          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.99               X6 @ X7 @ X8)
% 23.07/3.99          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.99               X6 @ X7 @ X8 @ X9)
% 23.07/3.99          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.99          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.99          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.99          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.99          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.99          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15)
% 23.07/3.99          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16)
% 23.07/3.99          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17)
% 23.07/3.99          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.99          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.99          | ~ (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ skc29))),
% 23.07/3.99      inference('cnf', [status(esa)], [zf_stmt_51])).
% 23.07/3.99  thf(zip_derived_cl967, plain, ( (ssNder1_0)),
% 23.07/3.99      inference('cnf', [status(esa)], [zf_stmt_1])).
% 23.07/3.99  thf(zip_derived_cl973, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 23.07/3.99      inference('demod', [status(thm)], [zip_derived_cl966, zip_derived_cl967])).
% 23.07/3.99  thf(zip_derived_cl974, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl965, zip_derived_cl967, zip_derived_cl973])).
% 23.07/3.99  thf(zip_derived_cl979, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl958, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974])).
% 23.07/3.99  thf(zip_derived_cl998, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 23.07/3.99          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl950, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979])).
% 23.07/3.99  thf(zip_derived_cl1024, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 23.07/3.99          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl934, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998])).
% 23.07/3.99  thf(zip_derived_cl1046, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 23.07/3.99          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl917, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024])).
% 23.07/3.99  thf(zip_derived_cl1074, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 23.07/3.99          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl903, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046])).
% 23.07/3.99  thf(zip_derived_cl1113, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 23.07/3.99          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl878, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074])).
% 23.07/3.99  thf(zip_derived_cl1150, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i]:
% 23.07/3.99          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.99           X7 @ X8)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl854, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113])).
% 23.07/3.99  thf(zip_derived_cl1194, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.99         (~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.99             X6 @ X7 @ X8 @ X9)
% 23.07/3.99          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.99          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.99          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.99          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.99          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.99          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15)
% 23.07/3.99          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16)
% 23.07/3.99          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17)
% 23.07/3.99          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.99          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.99          | ~ (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ skc29))),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl439, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.99  thf(zip_derived_cl1203, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i]:
% 23.07/3.99          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 23.07/3.99           X7 @ X8 @ X9)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl831, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150])).
% 23.07/3.99  thf(zip_derived_cl1214, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.99         (~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.99             X6 @ X7 @ X8 @ X9 @ X10)
% 23.07/3.99          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.99          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.99          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.99          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.99          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15)
% 23.07/3.99          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16)
% 23.07/3.99          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17)
% 23.07/3.99          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.99          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.99          | ~ (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ skc29))),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl1194, zip_derived_cl1203])).
% 23.07/3.99  thf(zip_derived_cl1255, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 23.07/3.99          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.99           X6 @ X7 @ X8 @ X9 @ X10)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl806, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203])).
% 23.07/3.99  thf(zip_derived_cl1265, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.99         (~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99             X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 23.07/3.99          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.99          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.99          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.99          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15)
% 23.07/3.99          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16)
% 23.07/3.99          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17)
% 23.07/3.99          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.99          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.99          | ~ (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ skc29))),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl1214, zip_derived_cl1255])).
% 23.07/3.99  thf(zip_derived_cl1305, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 23.07/3.99          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 23.07/3.99           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl778, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255])).
% 23.07/3.99  thf(zip_derived_cl1312, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.99         (~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99             X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 23.07/3.99          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.99          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.99          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15)
% 23.07/3.99          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16)
% 23.07/3.99          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17)
% 23.07/3.99          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.99          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.99          | ~ (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ skc29))),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl1265, zip_derived_cl1305])).
% 23.07/3.99  thf(zip_derived_cl1359, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 23.07/3.99          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl748, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305])).
% 23.07/3.99  thf(zip_derived_cl1365, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.99         (~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99             X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 23.07/3.99          | ~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.99          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15)
% 23.07/3.99          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16)
% 23.07/3.99          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17)
% 23.07/3.99          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.99          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.99          | ~ (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ skc29))),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl1312, zip_derived_cl1359])).
% 23.07/3.99  thf(zip_derived_cl1420, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 23.07/3.99          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl715, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359])).
% 23.07/3.99  thf(zip_derived_cl1425, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.99         (~ (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99             X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 23.07/3.99          | ~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15)
% 23.07/3.99          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16)
% 23.07/3.99          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17)
% 23.07/3.99          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.99          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.99          | ~ (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ skc29))),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl1365, zip_derived_cl1420])).
% 23.07/3.99  thf(zip_derived_cl1479, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i]:
% 23.07/3.99          (ssNder1_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 23.07/3.99           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl681, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420])).
% 23.07/3.99  thf(zip_derived_cl1483, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.99         (~ (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99             X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)
% 23.07/3.99          | ~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16)
% 23.07/3.99          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17)
% 23.07/3.99          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.99          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.99          | ~ (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ skc29))),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl1425, zip_derived_cl1479])).
% 23.07/3.99  thf(zip_derived_cl1547, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i]:
% 23.07/3.99          (ssNder1_16r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl645, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479])).
% 23.07/3.99  thf(zip_derived_cl1550, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.99         (~ (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99             X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.99             X15 @ X16)
% 23.07/3.99          | ~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99               X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17)
% 23.07/3.99          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.99          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.99          | ~ (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ skc29))),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl1483, zip_derived_cl1547])).
% 23.07/3.99  thf(zip_derived_cl1649, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i]:
% 23.07/3.99          (ssNder1_17r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 23.07/3.99           X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ X15 @ 
% 23.07/3.99           X16)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl607, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547])).
% 23.07/3.99  thf(zip_derived_cl1652, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.99         (~ (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99             X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.99             X15 @ X16 @ X17)
% 23.07/3.99          | ~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18)
% 23.07/3.99          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.99          | ~ (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ skc29))),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl1550, zip_derived_cl1649])).
% 23.07/3.99  thf(zip_derived_cl1732, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i]:
% 23.07/3.99          (ssNder1_18r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.99           X15 @ X16 @ X17)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl570, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649])).
% 23.07/3.99  thf(zip_derived_cl1734, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.99         (~ (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99             X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.99             X15 @ X16 @ X17 @ X18)
% 23.07/3.99          | ~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99               X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99               X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.99          | ~ (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ skc29))),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl1652, zip_derived_cl1732])).
% 23.07/3.99  thf(zip_derived_cl1802, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i]:
% 23.07/3.99          (ssNder1_19r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.99           X15 @ X16 @ X17 @ X18)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl529, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649, zip_derived_cl1732])).
% 23.07/3.99  thf(zip_derived_cl1804, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.99         (~ (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99             X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99             X14 @ X15 @ X16 @ X17 @ X18 @ X19)
% 23.07/3.99          | ~ (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ 
% 23.07/3.99               X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ 
% 23.07/3.99               X13 @ X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ skc29))),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl1734, zip_derived_cl1802])).
% 23.07/3.99  thf(zip_derived_cl1871, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i]:
% 23.07/3.99          (ssNder1_20r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ 
% 23.07/3.99           X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14 @ 
% 23.07/3.99           X15 @ X16 @ X17 @ X18 @ X19)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl489, zip_derived_cl967, zip_derived_cl973, 
% 23.07/3.99                 zip_derived_cl974, zip_derived_cl979, zip_derived_cl998, 
% 23.07/3.99                 zip_derived_cl1024, zip_derived_cl1046, zip_derived_cl1074, 
% 23.07/3.99                 zip_derived_cl1113, zip_derived_cl1150, zip_derived_cl1203, 
% 23.07/3.99                 zip_derived_cl1255, zip_derived_cl1305, zip_derived_cl1359, 
% 23.07/3.99                 zip_derived_cl1420, zip_derived_cl1479, zip_derived_cl1547, 
% 23.07/3.99                 zip_derived_cl1649, zip_derived_cl1732, zip_derived_cl1802])).
% 23.07/3.99  thf(zip_derived_cl1872, plain,
% 23.07/3.99      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 23.07/3.99         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 23.07/3.99         X14 : $i, X15 : $i, X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.99         ~ (ssPv7_22r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ 
% 23.07/3.99            X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ 
% 23.07/3.99            X14 @ X15 @ X16 @ X17 @ X18 @ X19 @ X20 @ skc29)),
% 23.07/3.99      inference('demod', [status(thm)],
% 23.07/3.99                [zip_derived_cl1804, zip_derived_cl1871])).
% 23.07/3.99  thf(zip_derived_cl2550, plain,
% 23.07/3.99      (![X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, X14 : $i, X15 : $i, 
% 23.07/3.99         X16 : $i, X17 : $i, X18 : $i, X19 : $i, X20 : $i]:
% 23.07/3.99         ~ (ssPv17_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X20 @ X19 @ X18 @ X17 @ X16 @ 
% 23.07/3.99            X15 @ X14 @ X13 @ X12 @ X11 @ X10 @ X9)),
% 23.07/3.99      inference('sup-', [status(thm)], [zip_derived_cl2546, zip_derived_cl1872])).
% 23.07/3.99  thf(zip_derived_cl2586, plain,
% 23.07/3.99      (![X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i, X9 : $i, X10 : $i, 
% 23.07/3.99         X11 : $i]:
% 23.07/3.99         ~ (ssPv21_8r1r1r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4)),
% 23.07/3.99      inference('sup-', [status(thm)], [zip_derived_cl2389, zip_derived_cl2550])).
% 23.07/3.99  thf(zip_derived_cl2609, plain, ($false),
% 23.07/3.99      inference('sup-', [status(thm)], [zip_derived_cl1072, zip_derived_cl2586])).
% 23.07/3.99  
% 23.07/3.99  % SZS output end Refutation
% 23.07/3.99  
% 23.07/3.99  
% 23.07/3.99  % Terminating...
% 23.67/4.06  % Runner terminated.
% 23.67/4.08  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------