| Step | Hyp | Ref
| Expression |
| 1 | | colperpex.p |
. . . 4
     |
| 2 | | colperpex.d |
. . . 4
     |
| 3 | | colperpex.i |
. . . 4
Itv   |
| 4 | | colperpex.l |
. . . 4
LineG   |
| 5 | | eqid 2622 |
. . . 4
pInvG  pInvG   |
| 6 | | colperpex.g |
. . . . 5

TarskiG |
| 7 | 6 | ad2antrr 762 |
. . . 4
             ⟂G        TarskiG |
| 8 | | eqid 2622 |
. . . 4
 pInvG      pInvG      |
| 9 | | colperpex.1 |
. . . . . . . 8
   |
| 10 | | colperpex.2 |
. . . . . . . 8
   |
| 11 | | colperpex.4 |
. . . . . . . 8
   |
| 12 | 1, 3, 4, 6, 9, 10,
11 | tgelrnln 25525 |
. . . . . . 7
       |
| 13 | 12 | ad2antrr 762 |
. . . . . 6
             ⟂G              |
| 14 | | simplr 792 |
. . . . . 6
             ⟂G              |
| 15 | 1, 4, 3, 7, 13, 14 | tglnpt 25444 |
. . . . 5
             ⟂G          |
| 16 | | eqid 2622 |
. . . . 5
 pInvG      pInvG      |
| 17 | | colperpex.3 |
. . . . . 6
   |
| 18 | 17 | ad2antrr 762 |
. . . . 5
             ⟂G          |
| 19 | 1, 2, 3, 4, 5, 7, 15, 16, 18 | mircl 25556 |
. . . 4
             ⟂G          pInvG          |
| 20 | 9 | ad2antrr 762 |
. . . . 5
             ⟂G          |
| 21 | | eqid 2622 |
. . . . 5
 pInvG      pInvG      |
| 22 | 1, 2, 3, 4, 5, 7, 20, 21, 18 | mircl 25556 |
. . . 4
             ⟂G          pInvG          |
| 23 | 1, 2, 3, 4, 5, 7, 20, 21, 18 | mircgr 25552 |
. . . . 5
             ⟂G           pInvG             |
| 24 | 10 | ad2antrr 762 |
. . . . . . 7
             ⟂G          |
| 25 | | colperpexlem3.1 |
. . . . . . . . . . 11
       |
| 26 | 25 | ad2antrr 762 |
. . . . . . . . . 10
             ⟂G       
      |
| 27 | | nelne2 2891 |
. . . . . . . . . 10
     
       |
| 28 | 14, 26, 27 | syl2anc 693 |
. . . . . . . . 9
             ⟂G          |
| 29 | 1, 3, 4, 7, 15, 18, 28 | tgelrnln 25525 |
. . . . . . . 8
             ⟂G              |
| 30 | 1, 3, 4, 7, 15, 18, 28 | tglinecom 25530 |
. . . . . . . . 9
             ⟂G                  |
| 31 | | simpr 477 |
. . . . . . . . 9
             ⟂G             ⟂G         |
| 32 | 30, 31 | eqbrtrd 4675 |
. . . . . . . 8
             ⟂G             ⟂G         |
| 33 | 1, 2, 3, 4, 7, 29,
13, 32 | perpcom 25608 |
. . . . . . 7
             ⟂G             ⟂G         |
| 34 | 1, 2, 3, 4, 7, 20,
24, 14, 18, 33 | perprag 25618 |
. . . . . 6
             ⟂G              ∟G    |
| 35 | 1, 2, 3, 4, 5, 7, 20, 15, 18 | israg 25592 |
. . . . . 6
             ⟂G               ∟G 
     pInvG            |
| 36 | 34, 35 | mpbid 222 |
. . . . 5
             ⟂G             pInvG           |
| 37 | 23, 36 | eqtr2d 2657 |
. . . 4
             ⟂G           pInvG            pInvG           |
| 38 | 1, 2, 3, 4, 5, 7, 8, 19, 22, 20, 37 | midexlem 25587 |
. . 3
             ⟂G           pInvG          pInvG         pInvG           |
| 39 | 7 | ad2antrr 762 |
. . . . . . . 8
               ⟂G       
   pInvG          pInvG         pInvG         
TarskiG |
| 40 | 22 | ad2antrr 762 |
. . . . . . . 8
               ⟂G       
   pInvG          pInvG         pInvG            pInvG          |
| 41 | 20 | ad2antrr 762 |
. . . . . . . 8
               ⟂G       
   pInvG          pInvG         pInvG         
  |
| 42 | 18 | ad2antrr 762 |
. . . . . . . 8
               ⟂G       
   pInvG          pInvG         pInvG         
  |
| 43 | 19 | ad2antrr 762 |
. . . . . . . 8
               ⟂G       
   pInvG          pInvG         pInvG            pInvG          |
| 44 | 15 | ad2antrr 762 |
. . . . . . . 8
               ⟂G       
   pInvG          pInvG         pInvG         
  |
| 45 | | simplr 792 |
. . . . . . . 8
               ⟂G       
   pInvG          pInvG         pInvG         
  |
| 46 | 1, 2, 3, 4, 5, 39,
41, 21, 42 | mirbtwn 25553 |
. . . . . . . 8
               ⟂G       
   pInvG          pInvG         pInvG         
   pInvG             |
| 47 | 1, 2, 3, 4, 5, 39,
44, 16, 42 | mirbtwn 25553 |
. . . . . . . 8
               ⟂G       
   pInvG          pInvG         pInvG         
   pInvG             |
| 48 | 1, 2, 3, 4, 5, 39,
45, 8, 43 | mirbtwn 25553 |
. . . . . . . . 9
               ⟂G       
   pInvG          pInvG         pInvG         
   pInvG         pInvG             pInvG           |
| 49 | | simpr 477 |
. . . . . . . . . . 11
               ⟂G       
   pInvG          pInvG         pInvG            pInvG          pInvG         pInvG           |
| 50 | 49 | eqcomd 2628 |
. . . . . . . . . 10
               ⟂G       
   pInvG          pInvG         pInvG            pInvG         pInvG           pInvG          |
| 51 | 50 | oveq1d 6665 |
. . . . . . . . 9
               ⟂G       
   pInvG          pInvG         pInvG             pInvG         pInvG             pInvG            pInvG            pInvG           |
| 52 | 48, 51 | eleqtrd 2703 |
. . . . . . . 8
               ⟂G       
   pInvG          pInvG         pInvG         
   pInvG            pInvG           |
| 53 | 1, 2, 3, 39, 40, 41, 42, 43, 44, 45, 46, 47, 52 | tgtrisegint 25394 |
. . . . . . 7
               ⟂G       
   pInvG          pInvG         pInvG          
            |
| 54 | 39 | ad3antrrr 766 |
. . . . . . . . . . . . . . . 16
       
          ⟂G           pInvG          pInvG         pInvG               
       TarskiG |
| 55 | 41 | ad3antrrr 766 |
. . . . . . . . . . . . . . . 16
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 56 | | simpllr 799 |
. . . . . . . . . . . . . . . 16
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 57 | | simplrr 801 |
. . . . . . . . . . . . . . . . 17
       
          ⟂G           pInvG          pInvG         pInvG               
             |
| 58 | | simpr 477 |
. . . . . . . . . . . . . . . . . 18
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 59 | 58 | oveq2d 6666 |
. . . . . . . . . . . . . . . . 17
       
          ⟂G           pInvG          pInvG         pInvG               
                 |
| 60 | 57, 59 | eleqtrd 2703 |
. . . . . . . . . . . . . . . 16
       
          ⟂G           pInvG          pInvG         pInvG               
             |
| 61 | 1, 2, 3, 54, 55, 56, 60 | axtgbtwnid 25365 |
. . . . . . . . . . . . . . 15
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 62 | 61 | eqcomd 2628 |
. . . . . . . . . . . . . 14
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 63 | 62 | oveq1d 6665 |
. . . . . . . . . . . . 13
       
          ⟂G           pInvG          pInvG         pInvG               
                 |
| 64 | 50 | ad3antrrr 766 |
. . . . . . . . . . . . . . . . 17
       
          ⟂G           pInvG          pInvG         pInvG               
         pInvG         pInvG           pInvG          |
| 65 | 58 | fveq2d 6195 |
. . . . . . . . . . . . . . . . . 18
       
          ⟂G           pInvG          pInvG         pInvG               
        pInvG      pInvG       |
| 66 | 65 | fveq1d 6193 |
. . . . . . . . . . . . . . . . 17
       
          ⟂G           pInvG          pInvG         pInvG               
         pInvG          pInvG          |
| 67 | 64, 66 | eqtr4d 2659 |
. . . . . . . . . . . . . . . 16
       
          ⟂G           pInvG          pInvG         pInvG               
         pInvG         pInvG           pInvG          |
| 68 | 45 | ad3antrrr 766 |
. . . . . . . . . . . . . . . . 17
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 69 | 43 | ad3antrrr 766 |
. . . . . . . . . . . . . . . . 17
       
          ⟂G           pInvG          pInvG         pInvG               
         pInvG          |
| 70 | 1, 2, 3, 4, 5, 54,
68, 8, 69 | mirinv 25561 |
. . . . . . . . . . . . . . . 16
       
          ⟂G           pInvG          pInvG         pInvG               
          pInvG         pInvG           pInvG       
  pInvG           |
| 71 | 67, 70 | mpbid 222 |
. . . . . . . . . . . . . . 15
       
          ⟂G           pInvG          pInvG         pInvG               
         pInvG          |
| 72 | 44 | ad3antrrr 766 |
. . . . . . . . . . . . . . . . 17
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 73 | 58 | oveq1d 6665 |
. . . . . . . . . . . . . . . . . 18
       
          ⟂G           pInvG          pInvG         pInvG               
                 |
| 74 | 57, 73 | eleqtrrd 2704 |
. . . . . . . . . . . . . . . . 17
       
          ⟂G           pInvG          pInvG         pInvG               
             |
| 75 | 1, 2, 3, 54, 72, 56, 74 | axtgbtwnid 25365 |
. . . . . . . . . . . . . . . 16
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 76 | 75 | eqcomd 2628 |
. . . . . . . . . . . . . . 15
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 77 | 71, 76 | oveq12d 6668 |
. . . . . . . . . . . . . 14
       
          ⟂G           pInvG          pInvG         pInvG               
              pInvG             |
| 78 | 34 | ad2antrr 762 |
. . . . . . . . . . . . . . . . . 18
               ⟂G       
   pInvG          pInvG         pInvG                ∟G    |
| 79 | 1, 2, 3, 4, 5, 39,
45, 8, 43, 50 | mircom 25558 |
. . . . . . . . . . . . . . . . . 18
               ⟂G       
   pInvG          pInvG         pInvG            pInvG         pInvG           pInvG          |
| 80 | 28 | ad2antrr 762 |
. . . . . . . . . . . . . . . . . 18
               ⟂G       
   pInvG          pInvG         pInvG            |
| 81 | 1, 2, 3, 4, 39, 5,
21, 16, 8, 41, 44, 42, 45, 78, 79, 80 | colperpexlem2 25623 |
. . . . . . . . . . . . . . . . 17
               ⟂G       
   pInvG          pInvG         pInvG            |
| 82 | 81 | ad3antrrr 766 |
. . . . . . . . . . . . . . . 16
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 83 | 62, 82 | eqnetrd 2861 |
. . . . . . . . . . . . . . 15
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 84 | 1, 3, 4, 54, 56, 68, 83 | tglinecom 25530 |
. . . . . . . . . . . . . 14
       
          ⟂G           pInvG          pInvG         pInvG               
                 |
| 85 | 42 | ad3antrrr 766 |
. . . . . . . . . . . . . . . 16
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 86 | 80 | ad3antrrr 766 |
. . . . . . . . . . . . . . . 16
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 87 | 54 | adantr 481 |
. . . . . . . . . . . . . . . . . . 19
                   ⟂G       
   pInvG          pInvG         pInvG         
               pInvG        
TarskiG |
| 88 | 72 | adantr 481 |
. . . . . . . . . . . . . . . . . . 19
                   ⟂G       
   pInvG          pInvG         pInvG         
               pInvG        
  |
| 89 | 85 | adantr 481 |
. . . . . . . . . . . . . . . . . . 19
                   ⟂G       
   pInvG          pInvG         pInvG         
               pInvG        
  |
| 90 | 1, 2, 3, 4, 5, 87,
88, 16 | mircinv 25563 |
. . . . . . . . . . . . . . . . . . . 20
                   ⟂G       
   pInvG          pInvG         pInvG         
               pInvG        
  pInvG          |
| 91 | | simpr 477 |
. . . . . . . . . . . . . . . . . . . 20
                   ⟂G       
   pInvG          pInvG         pInvG         
               pInvG        
  pInvG          |
| 92 | 90, 91 | eqtr4d 2659 |
. . . . . . . . . . . . . . . . . . 19
                   ⟂G       
   pInvG          pInvG         pInvG         
               pInvG        
  pInvG          pInvG          |
| 93 | 1, 2, 3, 4, 5, 87,
88, 16, 88, 89, 92 | mireq 25560 |
. . . . . . . . . . . . . . . . . 18
                   ⟂G       
   pInvG          pInvG         pInvG         
               pInvG        
  |
| 94 | 86 | adantr 481 |
. . . . . . . . . . . . . . . . . . 19
                   ⟂G       
   pInvG          pInvG         pInvG         
               pInvG        
  |
| 95 | 94 | neneqd 2799 |
. . . . . . . . . . . . . . . . . 18
                   ⟂G       
   pInvG          pInvG         pInvG         
               pInvG        
  |
| 96 | 93, 95 | pm2.65da 600 |
. . . . . . . . . . . . . . . . 17
       
          ⟂G           pInvG          pInvG         pInvG               
         pInvG          |
| 97 | 96 | neqned 2801 |
. . . . . . . . . . . . . . . 16
       
          ⟂G           pInvG          pInvG         pInvG               
         pInvG          |
| 98 | 47 | ad3antrrr 766 |
. . . . . . . . . . . . . . . . 17
       
          ⟂G           pInvG          pInvG         pInvG               
          pInvG             |
| 99 | 1, 3, 4, 54, 72, 85, 69, 86, 98 | btwnlng2 25515 |
. . . . . . . . . . . . . . . 16
       
          ⟂G           pInvG          pInvG         pInvG               
         pInvG              |
| 100 | 1, 3, 4, 54, 72, 85, 86, 69, 97, 99 | tglineelsb2 25527 |
. . . . . . . . . . . . . . 15
       
          ⟂G           pInvG          pInvG         pInvG               
                pInvG           |
| 101 | 28 | necomd 2849 |
. . . . . . . . . . . . . . . . 17
             ⟂G          |
| 102 | 101 | ad5antr 770 |
. . . . . . . . . . . . . . . 16
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 103 | 1, 3, 4, 54, 85, 72, 102 | tglinecom 25530 |
. . . . . . . . . . . . . . 15
       
          ⟂G           pInvG          pInvG         pInvG               
                 |
| 104 | 1, 3, 4, 54, 69, 72, 97 | tglinecom 25530 |
. . . . . . . . . . . . . . 15
       
          ⟂G           pInvG          pInvG         pInvG               
          pInvG                pInvG           |
| 105 | 100, 103,
104 | 3eqtr4d 2666 |
. . . . . . . . . . . . . 14
       
          ⟂G           pInvG          pInvG         pInvG               
              pInvG             |
| 106 | 77, 84, 105 | 3eqtr4d 2666 |
. . . . . . . . . . . . 13
       
          ⟂G           pInvG          pInvG         pInvG               
                 |
| 107 | 63, 106 | eqtr3d 2658 |
. . . . . . . . . . . 12
       
          ⟂G           pInvG          pInvG         pInvG               
                 |
| 108 | 31 | ad5antr 770 |
. . . . . . . . . . . 12
       
          ⟂G           pInvG          pInvG         pInvG               
            ⟂G         |
| 109 | 107, 108 | eqbrtrd 4675 |
. . . . . . . . . . 11
       
          ⟂G           pInvG          pInvG         pInvG               
            ⟂G         |
| 110 | 39 | ad3antrrr 766 |
. . . . . . . . . . . 12
       
          ⟂G           pInvG          pInvG         pInvG               
       TarskiG |
| 111 | 41 | ad3antrrr 766 |
. . . . . . . . . . . . 13
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 112 | 45 | ad3antrrr 766 |
. . . . . . . . . . . . 13
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 113 | 81 | ad3antrrr 766 |
. . . . . . . . . . . . 13
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 114 | 1, 3, 4, 110, 111, 112, 113 | tgelrnln 25525 |
. . . . . . . . . . . 12
       
          ⟂G           pInvG          pInvG         pInvG               
             |
| 115 | 13 | ad5antr 770 |
. . . . . . . . . . . 12
       
          ⟂G           pInvG          pInvG         pInvG               
             |
| 116 | 1, 3, 4, 110, 111, 112, 113 | tglinerflx1 25528 |
. . . . . . . . . . . . 13
       
          ⟂G           pInvG          pInvG         pInvG               
             |
| 117 | 11 | ad2antrr 762 |
. . . . . . . . . . . . . . 15
             ⟂G          |
| 118 | 1, 3, 4, 7, 20, 24, 117 | tglinerflx1 25528 |
. . . . . . . . . . . . . 14
             ⟂G              |
| 119 | 118 | ad5antr 770 |
. . . . . . . . . . . . 13
       
          ⟂G           pInvG          pInvG         pInvG               
             |
| 120 | 116, 119 | elind 3798 |
. . . . . . . . . . . 12
       
          ⟂G           pInvG          pInvG         pInvG               
                   |
| 121 | 1, 3, 4, 110, 111, 112, 113 | tglinerflx2 25529 |
. . . . . . . . . . . 12
       
          ⟂G           pInvG          pInvG         pInvG               
             |
| 122 | 14 | ad5antr 770 |
. . . . . . . . . . . 12
       
          ⟂G           pInvG          pInvG         pInvG               
             |
| 123 | 113 | necomd 2849 |
. . . . . . . . . . . 12
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 124 | | simpr 477 |
. . . . . . . . . . . 12
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 125 | 44 | ad3antrrr 766 |
. . . . . . . . . . . . 13
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 126 | 1, 2, 3, 4, 39, 5,
21, 16, 8, 41, 44, 42, 45, 78, 79 | colperpexlem1 25622 |
. . . . . . . . . . . . . 14
               ⟂G       
   pInvG          pInvG         pInvG                ∟G    |
| 127 | 126 | ad3antrrr 766 |
. . . . . . . . . . . . 13
       
          ⟂G           pInvG          pInvG         pInvG               
             ∟G    |
| 128 | 1, 2, 3, 4, 5, 110, 125, 111, 112, 127 | ragcom 25593 |
. . . . . . . . . . . 12
       
          ⟂G           pInvG          pInvG         pInvG               
             ∟G    |
| 129 | 1, 2, 3, 4, 110, 114, 115, 120, 121, 122, 123, 124, 128 | ragperp 25612 |
. . . . . . . . . . 11
       
          ⟂G           pInvG          pInvG         pInvG               
            ⟂G         |
| 130 | 109, 129 | pm2.61dane 2881 |
. . . . . . . . . 10
                 ⟂G        
  pInvG          pInvG         pInvG          
                ⟂G         |
| 131 | 118 | ad5antr 770 |
. . . . . . . . . . . . 13
       
          ⟂G           pInvG          pInvG         pInvG               
             |
| 132 | 62, 131 | eqeltrd 2701 |
. . . . . . . . . . . 12
       
          ⟂G           pInvG          pInvG         pInvG               
             |
| 133 | 132 | orcd 407 |
. . . . . . . . . . 11
       
          ⟂G           pInvG          pInvG         pInvG               
               |
| 134 | 24 | ad5antr 770 |
. . . . . . . . . . . . 13
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 135 | 117 | ad5antr 770 |
. . . . . . . . . . . . 13
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 136 | | simpllr 799 |
. . . . . . . . . . . . 13
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 137 | 124 | necomd 2849 |
. . . . . . . . . . . . . 14
       
          ⟂G           pInvG          pInvG         pInvG               
         |
| 138 | | simplrr 801 |
. . . . . . . . . . . . . 14
       
          ⟂G           pInvG          pInvG         pInvG               
             |
| 139 | 1, 3, 4, 110, 111, 125, 136, 137, 138 | btwnlng1 25514 |
. . . . . . . . . . . . 13
       
          ⟂G           pInvG          pInvG         pInvG               
             |
| 140 | 1, 3, 4, 110, 111, 134, 135, 125, 124, 122, 136, 139 | tglineeltr 25526 |
. . . . . . . . . . . 12
       
          ⟂G           pInvG          pInvG         pInvG               
             |
| 141 | 140 | orcd 407 |
. . . . . . . . . . 11
       
          ⟂G           pInvG          pInvG         pInvG               
               |
| 142 | 133, 141 | pm2.61dane 2881 |
. . . . . . . . . 10
                 ⟂G        
  pInvG          pInvG         pInvG          
                   |
| 143 | 39 | ad2antrr 762 |
. . . . . . . . . . 11
                 ⟂G        
  pInvG          pInvG         pInvG          
          
TarskiG |
| 144 | 45 | ad2antrr 762 |
. . . . . . . . . . 11
                 ⟂G        
  pInvG          pInvG         pInvG          
          
  |
| 145 | | simplr 792 |
. . . . . . . . . . 11
                 ⟂G        
  pInvG          pInvG         pInvG          
             |
| 146 | 42 | ad2antrr 762 |
. . . . . . . . . . 11
                 ⟂G        
  pInvG          pInvG         pInvG          
          
  |
| 147 | | simprl 794 |
. . . . . . . . . . 11
                 ⟂G        
  pInvG          pInvG         pInvG          
                 |
| 148 | 1, 2, 3, 143, 144, 145, 146, 147 | tgbtwncom 25383 |
. . . . . . . . . 10
                 ⟂G        
  pInvG          pInvG         pInvG          
                 |
| 149 | 130, 142,
148 | jca32 558 |
. . . . . . . . 9
                 ⟂G        
  pInvG          pInvG         pInvG          
                 ⟂G                      |
| 150 | 149 | ex 450 |
. . . . . . . 8
     
          ⟂G        
  pInvG          pInvG         pInvG          
     
           ⟂G                       |
| 151 | 150 | reximdva 3017 |
. . . . . . 7
               ⟂G       
   pInvG          pInvG         pInvG                      
      ⟂G                       |
| 152 | 53, 151 | mpd 15 |
. . . . . 6
               ⟂G       
   pInvG          pInvG         pInvG          
      ⟂G                      |
| 153 | | r19.42v 3092 |
. . . . . 6
        ⟂G                   
      ⟂G                       |
| 154 | 152, 153 | sylib 208 |
. . . . 5
               ⟂G       
   pInvG          pInvG         pInvG                ⟂G       
               |
| 155 | 154 | ex 450 |
. . . 4
   
          ⟂G            pInvG          pInvG         pInvG               ⟂G       
                |
| 156 | 155 | reximdva 3017 |
. . 3
             ⟂G         
  pInvG          pInvG         pInvG         
      ⟂G       
                |
| 157 | 38, 156 | mpd 15 |
. 2
             ⟂G               ⟂G       
               |
| 158 | 1, 2, 3, 4, 6, 12,
17, 25 | footex 25613 |
. 2
            ⟂G         |
| 159 | 157, 158 | r19.29a 3078 |
1
        ⟂G       
               |